Radio API

API reference docs for the React Radio component. Learn about the props, CSS, and other APIs of this exported module.

Demos

For examples and details on the usage of this React component, visit the component demo pages:

Radio Group

Import

import Radio from '@mui/joy/Radio';
// or
import { Radio } from '@mui/joy';

You can learn about the difference by reading this guide on minimizing bundle size.

Component name

The name JoyRadio can be used when providing default props or style overrides in the theme.

Props

Name	Type	Default	Description
checked	bool		If `true`, the component is checked.
checkedIcon	node		The icon to display when the component is checked.
className	string		Class name applied to the root element.
color	'danger' \| 'info' \| 'primary' \| 'success' \| 'warning' \| string	'neutral'	The color of the component. It supports those theme colors that make sense for this component. To learn how to add your own colors, check out Themed components—Extend colors.
defaultChecked	bool		The default checked state. Use when the component is not controlled.
disabled	bool		If `true`, the component is disabled.
disableIcon	bool	false	If `true`, the checked icon is removed and the selected variant is applied on the `action` element instead.
label	node		The label element at the end the radio.
name	string		The `name` attribute of the input.
onChange	func		Callback fired when the state is changed. Signature: `function(event: React.ChangeEvent<HTMLInputElement>) => void` event: The event source of the callback. You can pull out the new value by accessing `event.target.value` (string). You can pull out the new checked state by accessing `event.target.checked` (boolean).
overlay	bool	false	If `true`, the root element's position is set to initial which allows the action area to fill the nearest positioned parent. This prop is useful for composing Radio with ListItem component.
readOnly	bool		If `true`, the component is read only.
required	bool		If `true`, the `input` element is required.
size	'sm' \| 'md' \| 'lg' \| string	'md'	The size of the component. To learn how to add custom sizes to the component, check out Themed components—Extend sizes.
sx	Array<func \| object \| bool> \| func \| object		The system prop that allows defining system overrides as well as additional CSS styles. See the `sx` page for more details.
uncheckedIcon	node		The icon to display when the component is not checked.
value	any		The value of the component. The DOM API casts this to a string.
variant	'outlined' \| 'plain' \| 'soft' \| 'solid' \| string	'outlined'	The global variant to use. To learn how to add your own variants, check out Themed components—Extend variants.

The ref is forwarded to the root element.

Slots

Name	Default class	Default HTML tag	Description
root	.MuiRadio-root	'span'	The component that renders the root. To learn how to customize the slot, check out the Overriding component structure guide.
radio	.MuiRadio-radio	'span'	The component that renders the radio. To learn how to customize the slot, check out the Overriding component structure guide.
icon	.MuiRadio-icon	'span'	The component that renders the icon. To learn how to customize the slot, check out the Overriding component structure guide.
action	.MuiRadio-action	'span'	The component that renders the action. To learn how to customize the slot, check out the Overriding component structure guide.
input	.MuiRadio-input	'input'	The component that renders the input. To learn how to customize the slot, check out the Overriding component structure guide.
label	.MuiRadio-label	'label'	The component that renders the label. To learn how to customize the slot, check out the Overriding component structure guide.