diff --git a/src/alf/index.tsx b/src/alf/index.tsx
index 1daa0bfedc..69a8798539 100644
--- a/src/alf/index.tsx
+++ b/src/alf/index.tsx
@@ -5,6 +5,7 @@ import * as themes from '#/alf/themes'
 export * as tokens from '#/alf/tokens'
 export {atoms} from '#/alf/atoms'
 export * from '#/alf/util/platform'
+export * from '#/alf/util/flatten'
 
 type BreakpointName = keyof typeof breakpoints
 
diff --git a/src/alf/themes.ts b/src/alf/themes.ts
index 14e1de7ff6..f26f10a6f2 100644
--- a/src/alf/themes.ts
+++ b/src/alf/themes.ts
@@ -11,12 +11,36 @@ export const lightPalette = {
   primary: tokens.color.blue_500,
   positive: tokens.color.green_500,
   negative: tokens.color.red_500,
+
+  contrast_0: tokens.color.gray_0,
+  contrast_100: tokens.color.gray_100,
+  contrast_200: tokens.color.gray_200,
+  contrast_300: tokens.color.gray_300,
+  contrast_400: tokens.color.gray_400,
+  contrast_500: tokens.color.gray_500,
+  contrast_600: tokens.color.gray_600,
+  contrast_700: tokens.color.gray_700,
+  contrast_800: tokens.color.gray_800,
+  contrast_900: tokens.color.gray_900,
+  contrast_1000: tokens.color.gray_1000,
 } as const
 
 export const darkPalette: Palette = {
   primary: tokens.color.blue_500,
   positive: tokens.color.green_400,
   negative: tokens.color.red_400,
+
+  contrast_0: tokens.color.gray_1000,
+  contrast_100: tokens.color.gray_900,
+  contrast_200: tokens.color.gray_800,
+  contrast_300: tokens.color.gray_700,
+  contrast_400: tokens.color.gray_600,
+  contrast_500: tokens.color.gray_500,
+  contrast_600: tokens.color.gray_400,
+  contrast_700: tokens.color.gray_300,
+  contrast_800: tokens.color.gray_200,
+  contrast_900: tokens.color.gray_100,
+  contrast_1000: tokens.color.gray_0,
 } as const
 
 export const light = {
diff --git a/src/alf/util/flatten.ts b/src/alf/util/flatten.ts
new file mode 100644
index 0000000000..448716a082
--- /dev/null
+++ b/src/alf/util/flatten.ts
@@ -0,0 +1,3 @@
+import {StyleSheet} from 'react-native'
+
+export const flatten = StyleSheet.flatten
diff --git a/src/view/com/Button.tsx b/src/view/com/Button.tsx
index 7b3beb7dca..51fe1e3541 100644
--- a/src/view/com/Button.tsx
+++ b/src/view/com/Button.tsx
@@ -284,13 +284,7 @@ export function ButtonText({
   return (
     <Text
       {...rest}
-      style={[
-        atoms.flex_1,
-        atoms.font_semibold,
-        atoms.text_center,
-        ...textStyles,
-        style,
-      ]}>
+      style={[atoms.font_semibold, atoms.text_center, ...textStyles, style]}>
       {children}
     </Text>
   )
diff --git a/src/view/com/Dialog/context.ts b/src/view/com/Dialog/context.ts
index bd150f8cbc..2330969933 100644
--- a/src/view/com/Dialog/context.ts
+++ b/src/view/com/Dialog/context.ts
@@ -15,5 +15,9 @@ export function useDialogControl() {
     close: () => {},
   })
 
-  return control
+  return {
+    ref: control,
+    open: () => control.current.open(),
+    close: () => control.current.close(),
+  }
 }
diff --git a/src/view/com/Dialog/index.tsx b/src/view/com/Dialog/index.tsx
index 6d6946ec44..7f7a630a14 100644
--- a/src/view/com/Dialog/index.tsx
+++ b/src/view/com/Dialog/index.tsx
@@ -12,12 +12,14 @@ import {
 } from '#/view/com/Dialog/types'
 import {Context} from '#/view/com/Dialog/context'
 
-export {useDialogControl} from '#/view/com/Dialog/context'
+export {useDialogControl, useDialogContext} from '#/view/com/Dialog/context'
+export * from '#/view/com/Dialog/types'
 
 export function Outer({
+  children,
   control,
   onClose,
-  children,
+  nativeOptions,
 }: React.PropsWithChildren<DialogOuterProps>) {
   const t = useTheme()
   const sheet = React.useRef<BottomSheet>(null)
@@ -32,7 +34,7 @@ export function Outer({
   }, [onClose])
 
   useImperativeHandle(
-    control,
+    control.ref,
     () => ({
       open,
       close,
@@ -45,13 +47,14 @@ export function Outer({
   return (
     <Portal>
       <BottomSheet
-        ref={sheet}
-        index={-1}
         snapPoints={['90%']}
         enablePanDownToClose
         keyboardBehavior="extend"
-        backgroundStyle={{backgroundColor: 'transparent'}}
         android_keyboardInputMode="adjustResize"
+        {...(nativeOptions?.sheet || {})}
+        ref={sheet}
+        index={-1}
+        backgroundStyle={{backgroundColor: 'transparent'}}
         backdropComponent={props => (
           <BottomSheetBackdrop
             appearsOnIndex={0}
@@ -61,28 +64,37 @@ export function Outer({
         )}
         handleIndicatorStyle={{backgroundColor: t.palette.primary}}
         handleStyle={{display: 'none'}}
-        onChange={() => {}}
         onClose={onClose}>
-        <Context.Provider value={context}>{children}</Context.Provider>
+        <Context.Provider value={context}>
+          <View
+            style={[
+              a.absolute,
+              a.inset_0,
+              t.atoms.bg,
+              {
+                borderTopLeftRadius: 40,
+                borderTopRightRadius: 40,
+                height: Dimensions.get('window').height * 2,
+              },
+            ]}
+          />
+          {children}
+        </Context.Provider>
       </BottomSheet>
     </Portal>
   )
 }
 
+// TODO a11y props here, or is that handled by the sheet?
 export function Inner(props: DialogInnerProps) {
-  const t = useTheme()
   return (
     <View
       style={[
-        a.absolute,
-        a.inset_0,
         a.p_lg,
         a.pt_xxl,
-        t.atoms.bg,
         {
           borderTopLeftRadius: 40,
           borderTopRightRadius: 40,
-          height: Dimensions.get('window').height * 2,
         },
       ]}>
       {props.children}
@@ -101,7 +113,7 @@ export function Handle() {
         t.atoms.bg_contrast_200,
         {
           top: 12,
-          width: 80,
+          width: 50,
           height: 6,
           alignSelf: 'center',
         },
diff --git a/src/view/com/Dialog/index.web.tsx b/src/view/com/Dialog/index.web.tsx
index ee390daba1..37d4cebc85 100644
--- a/src/view/com/Dialog/index.web.tsx
+++ b/src/view/com/Dialog/index.web.tsx
@@ -11,7 +11,8 @@ import {Button} from '#/view/com/Button'
 import {DialogOuterProps, DialogInnerProps} from '#/view/com/Dialog/types'
 import {Context, useDialogContext} from '#/view/com/Dialog/context'
 
-export {useDialogControl} from '#/view/com/Dialog/context'
+export {useDialogControl, useDialogContext} from '#/view/com/Dialog/context'
+export * from '#/view/com/Dialog/types'
 
 const stopPropagation = (e: any) => e.stopPropagation()
 
@@ -38,7 +39,7 @@ export function Outer({
   }, [onClose, setIsOpen])
 
   useImperativeHandle(
-    control,
+    control.ref,
     () => ({
       open,
       close,
@@ -58,7 +59,12 @@ export function Outer({
     return () => document.removeEventListener('keydown', handler)
   }, [isOpen, close])
 
-  const context = React.useMemo(() => ({close}), [close])
+  const context = React.useMemo(
+    () => ({
+      close,
+    }),
+    [close],
+  )
 
   return (
     <>
@@ -111,12 +117,19 @@ export function Outer({
   )
 }
 
-export function Inner({children, style}: DialogInnerProps) {
+export function Inner({
+  children,
+  style,
+  accessibilityLabelledBy,
+  accessibilityDescribedBy,
+}: DialogInnerProps) {
   const t = useTheme()
   const {gtMobile} = useBreakpoints()
   return (
     <FocusScope loop enabled trapped>
       <Animated.View
+        aria-labelledby={accessibilityLabelledBy}
+        aria-describedby={accessibilityDescribedBy}
         aria-role="dialog"
         // @ts-ignore web only -prf
         onClick={stopPropagation}
@@ -128,9 +141,10 @@ export function Inner({children, style}: DialogInnerProps) {
           a.relative,
           a.rounded_md,
           a.w_full,
+          a.border,
           gtMobile ? a.p_xl : a.p_lg,
           t.atoms.bg,
-          {maxWidth: 600},
+          {maxWidth: 600, borderColor: t.palette.contrast_300},
           ...(Array.isArray(style) ? style : [style || {}]),
         ]}>
         {children}
diff --git a/src/view/com/Dialog/types.ts b/src/view/com/Dialog/types.ts
index 4c41849aa3..cdcad90da6 100644
--- a/src/view/com/Dialog/types.ts
+++ b/src/view/com/Dialog/types.ts
@@ -1,5 +1,8 @@
 import React from 'react'
-import type {ViewStyle} from 'react-native'
+import type {ViewStyle, AccessibilityProps} from 'react-native'
+import {BottomSheetProps} from '@gorhom/bottom-sheet'
+
+type A11yProps = Required<AccessibilityProps>
 
 export type DialogContextProps = {
   close: () => void
@@ -11,8 +14,20 @@ export type DialogControlProps = {
 }
 
 export type DialogOuterProps = {
-  control: React.RefObject<DialogControlProps>
+  control: {
+    ref: React.RefObject<DialogControlProps>
+    open: (index?: number) => void
+    close: () => void
+  }
   onClose?: () => void
+  nativeOptions?: {
+    sheet?: Omit<BottomSheetProps, 'children'>
+  }
+  webOptions?: {}
 }
 
-export type DialogInnerProps = React.PropsWithChildren<{style?: ViewStyle}>
+export type DialogInnerProps = React.PropsWithChildren<{
+  style?: ViewStyle
+  accessibilityLabelledBy: A11yProps['aria-labelledby']
+  accessibilityDescribedBy: string
+}>
diff --git a/src/view/com/Prompt.tsx b/src/view/com/Prompt.tsx
new file mode 100644
index 0000000000..fc55bc4a51
--- /dev/null
+++ b/src/view/com/Prompt.tsx
@@ -0,0 +1,134 @@
+import React from 'react'
+import {View, PressableProps, LayoutChangeEvent} from 'react-native'
+import {useSafeAreaInsets} from 'react-native-safe-area-context'
+
+import {useTheme, atoms as a} from '#/alf'
+import {H2, P} from '#/view/com/Typography'
+import {Button} from '#/view/com/Button'
+
+import * as Dialog from '#/view/com/Dialog'
+
+export {useDialogControl as usePromptControl} from '#/view/com/Dialog'
+
+const Context = React.createContext<{
+  titleId: string
+  descriptionId: string
+}>({
+  titleId: '',
+  descriptionId: '',
+})
+
+export function Outer({
+  children,
+  control,
+}: React.PropsWithChildren<{
+  control: Dialog.DialogOuterProps['control']
+}>) {
+  const insets = useSafeAreaInsets()
+  const titleId = React.useId()
+  const descriptionId = React.useId()
+  const [defaultSnapPoints, setDefaultSnapPoints] = React.useState<
+    string | number
+  >('25%')
+
+  const context = React.useMemo(
+    () => ({titleId, descriptionId}),
+    [titleId, descriptionId],
+  )
+
+  const measureDefaultSnapPoint = React.useCallback(
+    (e: LayoutChangeEvent) => {
+      setDefaultSnapPoints(e.nativeEvent.layout.height + insets.bottom + 50)
+    },
+    [insets, setDefaultSnapPoints],
+  )
+
+  return (
+    <Dialog.Outer
+      control={control}
+      nativeOptions={{
+        sheet: {
+          snapPoints: [defaultSnapPoints],
+        },
+      }}>
+      <Context.Provider value={context}>
+        <View onLayout={measureDefaultSnapPoint}>
+          <Dialog.Inner
+            accessibilityLabelledBy={titleId}
+            accessibilityDescribedBy={descriptionId}
+            style={{width: 'auto', maxWidth: 400}}>
+            <Dialog.Handle />
+            {children}
+          </Dialog.Inner>
+        </View>
+      </Context.Provider>
+    </Dialog.Outer>
+  )
+}
+
+export function Title({children}: React.PropsWithChildren<{}>) {
+  const t = useTheme()
+  const {titleId} = React.useContext(Context)
+  return (
+    <H2
+      nativeID={titleId}
+      style={[a.font_semibold, t.atoms.text_contrast_700, a.pb_sm]}>
+      {children}
+    </H2>
+  )
+}
+
+export function Description({children}: React.PropsWithChildren<{}>) {
+  const t = useTheme()
+  const {descriptionId} = React.useContext(Context)
+  return (
+    <P nativeID={descriptionId} style={[t.atoms.text_contrast_700, a.pb_lg]}>
+      {children}
+    </P>
+  )
+}
+
+export function Actions({children}: React.PropsWithChildren<{}>) {
+  return (
+    <View style={[a.w_full, a.flex_row, a.gap_sm, a.justify_end]}>
+      {children}
+    </View>
+  )
+}
+
+export function Cancel({
+  children,
+}: React.PropsWithChildren<{onPress?: PressableProps['onPress']}>) {
+  const {close} = Dialog.useDialogContext()
+  return (
+    <Button
+      type="secondary"
+      size="small"
+      accessibilityLabel="Cancel"
+      accessibilityHint="Cancel this action"
+      onPress={close}>
+      {children}
+    </Button>
+  )
+}
+
+export function Action({
+  children,
+  onPress,
+}: React.PropsWithChildren<{onPress?: () => void}>) {
+  const {close} = Dialog.useDialogContext()
+  const handleOnPress = React.useCallback(() => {
+    close()
+    onPress?.()
+  }, [close, onPress])
+  return (
+    <Button
+      type="primary"
+      size="small"
+      accessibilityLabel="Confirm"
+      accessibilityHint="Confirm this action"
+      onPress={handleOnPress}>
+      {children}
+    </Button>
+  )
+}
diff --git a/src/view/com/Typography.tsx b/src/view/com/Typography.tsx
index 6579c2e511..029fc2e24f 100644
--- a/src/view/com/Typography.tsx
+++ b/src/view/com/Typography.tsx
@@ -1,6 +1,7 @@
 import React from 'react'
 import {Text as RNText, TextProps} from 'react-native'
-import {useTheme, atoms, web} from '#/alf'
+
+import {useTheme, atoms, web, flatten} from '#/alf'
 
 export function Text({style, ...rest}: TextProps) {
   const t = useTheme()
@@ -18,7 +19,7 @@ export function H1({style, ...rest}: TextProps) {
     <RNText
       {...attr}
       {...rest}
-      style={[atoms.text_xl, atoms.font_bold, t.atoms.text, style]}
+      style={[atoms.text_xl, atoms.font_bold, t.atoms.text, flatten(style)]}
     />
   )
 }
@@ -34,7 +35,7 @@ export function H2({style, ...rest}: TextProps) {
     <RNText
       {...attr}
       {...rest}
-      style={[atoms.text_lg, atoms.font_bold, t.atoms.text, style]}
+      style={[atoms.text_lg, atoms.font_bold, t.atoms.text, flatten(style)]}
     />
   )
 }
@@ -50,7 +51,7 @@ export function H3({style, ...rest}: TextProps) {
     <RNText
       {...attr}
       {...rest}
-      style={[atoms.text_md, atoms.font_bold, t.atoms.text, style]}
+      style={[atoms.text_md, atoms.font_bold, t.atoms.text, flatten(style)]}
     />
   )
 }
@@ -66,7 +67,7 @@ export function H4({style, ...rest}: TextProps) {
     <RNText
       {...attr}
       {...rest}
-      style={[atoms.text_sm, atoms.font_bold, t.atoms.text, style]}
+      style={[atoms.text_sm, atoms.font_bold, t.atoms.text, flatten(style)]}
     />
   )
 }
@@ -82,7 +83,7 @@ export function H5({style, ...rest}: TextProps) {
     <RNText
       {...attr}
       {...rest}
-      style={[atoms.text_xs, atoms.font_bold, t.atoms.text, style]}
+      style={[atoms.text_xs, atoms.font_bold, t.atoms.text, flatten(style)]}
     />
   )
 }
@@ -98,7 +99,26 @@ export function H6({style, ...rest}: TextProps) {
     <RNText
       {...attr}
       {...rest}
-      style={[atoms.text_xxs, atoms.font_bold, t.atoms.text, style]}
+      style={[atoms.text_xxs, atoms.font_bold, t.atoms.text, flatten(style)]}
+    />
+  )
+}
+
+export function P({style, ...rest}: TextProps) {
+  const t = useTheme()
+  const attr =
+    web({
+      role: 'paragraph',
+    }) || {}
+  const _style = flatten(style)
+  const lineHeight =
+    (_style?.lineHeight || atoms.text_md.lineHeight) *
+    atoms.leading_normal.lineHeight
+  return (
+    <RNText
+      {...attr}
+      {...rest}
+      style={[atoms.text_md, t.atoms.text, _style, {lineHeight}]}
     />
   )
 }
diff --git a/src/view/screens/DebugNew.tsx b/src/view/screens/DebugNew.tsx
index 6abcc438b7..27b993c95e 100644
--- a/src/view/screens/DebugNew.tsx
+++ b/src/view/screens/DebugNew.tsx
@@ -8,32 +8,39 @@ import * as tokens from '#/alf/tokens'
 import {atoms as a, useTheme, useBreakpoints, ThemeProvider as Alf} from '#/alf'
 import {Button, ButtonText} from '#/view/com/Button'
 import {Link} from '#/view/com/Link'
-import {Text, H1, H2, H3, H4, H5, H6} from '#/view/com/Typography'
+import {Text, H1, H2, H3, H4, H5, H6, P} from '#/view/com/Typography'
 import {InputText} from '#/view/com/forms/InputText'
 import {InputDate, utils} from '#/view/com/forms/InputDate'
 import {Logo} from '#/view/icons/Logo'
 import * as Dialog from '#/view/com/Dialog'
+import * as Prompt from '#/view/com/Prompt'
 
 function ThemeSelector() {
   const setColorMode = useSetColorMode()
 
   return (
-    <View style={[a.flex_row, a.gap_md]}>
+    <View style={[a.flex_row, a.align_start, a.gap_md]}>
       <Button
         type="secondary"
         size="small"
+        accessibilityLabel='Set theme to "system"'
+        accessibilityHint="Set theme to system default"
         onPress={() => setColorMode('system')}>
         System
       </Button>
       <Button
         type="secondary"
         size="small"
+        accessibilityLabel='Set theme to "system"'
+        accessibilityHint="Set theme to system default"
         onPress={() => setColorMode('light')}>
         Light
       </Button>
       <Button
         type="secondary"
         size="small"
+        accessibilityLabel='Set theme to "system"'
+        accessibilityHint="Set theme to system default"
         onPress={() => setColorMode('dark')}>
         Dark
       </Button>
@@ -319,39 +326,58 @@ function Forms() {
 
 function Dialogs() {
   const control = Dialog.useDialogControl()
+  const prompt = Prompt.usePromptControl()
 
   return (
     <>
       <Button
         type="secondary"
         size="small"
-        onPress={() => control.current.open()}
+        onPress={() => control.open()}
         accessibilityLabel="Open basic dialog"
         accessibilityHint="Open basic dialog">
         Open basic dialog
       </Button>
 
+      <Button
+        type="negative"
+        size="small"
+        onPress={() => prompt.open()}
+        accessibilityLabel="Open prompt"
+        accessibilityHint="Open prompt">
+        Open prompt
+      </Button>
+
+      <Prompt.Outer control={prompt}>
+        <Prompt.Title>Are you sure?</Prompt.Title>
+        <Prompt.Description>
+          This action cannot be undone. This action cannot be undone. This
+          action cannot be undone.
+        </Prompt.Description>
+        <Prompt.Actions>
+          <Prompt.Cancel>Cancel</Prompt.Cancel>
+          <Prompt.Action>Confirm</Prompt.Action>
+        </Prompt.Actions>
+      </Prompt.Outer>
+
       <Dialog.Outer control={control}>
-        <Dialog.Inner style={{width: 'auto'}}>
+        <Dialog.Inner
+          accessibilityLabelledBy="dialog-title"
+          accessibilityDescribedBy="dialog-description">
           <Dialog.Handle />
           <View style={[a.gap_md]}>
-            <Button
-              type="primary"
-              size="small"
-              onPress={() => control.current.close()}
-              accessibilityLabel="Open basic dialog"
-              accessibilityHint="Open basic dialog">
-              Close basic dialog
-            </Button>
-            <View style={{height: 100}} />
-            <Button
-              type="secondary"
-              size="small"
-              onPress={() => control.current.close()}
-              accessibilityLabel="Open basic dialog"
-              accessibilityHint="Open basic dialog">
-              Some other control
-            </Button>
+            <H3 nativeID="dialog-title">Dialog</H3>
+            <P nativeID="dialog-description">Description</P>
+            <View style={[a.flex_row, a.justify_end]}>
+              <Button
+                type="primary"
+                size="small"
+                onPress={() => control.close()}
+                accessibilityLabel="Open basic dialog"
+                accessibilityHint="Open basic dialog">
+                Close basic dialog
+              </Button>
+            </View>
           </View>
         </Dialog.Inner>
       </Dialog.Outer>