RadioGroup API

API reference docs for the React RadioGroup 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

Import

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

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

Props

Name	Type	Default	Description
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.
component	elementType		The component used for the root node. Either a string to use a HTML element or a component.
defaultValue	any		The default value. Use when the component is not controlled.
disableIcon	bool	false	The radio's `disabledIcon` prop. If specified, the value is passed down to every radios under this element.
name	string		The name used to reference the value of the control. If you don't provide this prop, it falls back to a randomly generated name.
onChange	func		Callback fired when a radio button is selected. 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).
orientation	'horizontal' \| 'vertical'	'vertical'	The component orientation.
overlay	bool	false	The radio's `overlay` prop. If specified, the value is passed down to every radios under this element.
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.
slotProps	{ root?: func \| object }	{}	The props used for each slot inside.
slots	{ root?: elementType }	{}	The components used for each slot inside. See Slots API below for more details.
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.
value	any		Value of the selected radio button. The DOM API casts this to a string.
variant	'outlined' \| 'plain' \| 'soft' \| 'solid' \| string	'plain'	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.

Theme default props

You can use JoyRadioGroup to change the default props of this component with the theme.

Slots

To learn how to customize the slot, check out the Overriding component structure guide.

Name	Default class	Default HTML tag	Description
root	.MuiRadioGroup-root	'div'	The component that renders the root.

You can override the style of the component using one of these customization options:

With a global class name.
With a rule name as part of the component's styleOverrides property in a custom theme.

CSS classes

These class names are useful for styling with CSS. They are applied to the root slot when specific states are triggered.

Global class	Description
.MuiRadioGroup-colorDanger	Class name applied to the root element if `color="danger"`.
.MuiRadioGroup-colorInfo	Class name applied to the root element if `color="info"`.
.MuiRadioGroup-colorNeutral	Class name applied to the root element if `color="neutral"`.
.MuiRadioGroup-colorPrimary	Class name applied to the root element if `color="primary"`.
.MuiRadioGroup-colorSuccess	Class name applied to the root element if `color="success"`.
.MuiRadioGroup-colorWarning	Class name applied to the root element if `color="warning"`.
.MuiRadioGroup-horizontal	Class name applied to the root element if `orientation="horizontal"`.
.MuiRadioGroup-sizeLg	Class name applied to the root element if `size="lg"`.
.MuiRadioGroup-sizeMd	Class name applied to the root element if `size="md"`.
.MuiRadioGroup-sizeSm	Class name applied to the root element if `size="sm"`.
.MuiRadioGroup-variantOutlined	Class name applied to the root element if `variant="outlined"`.
.MuiRadioGroup-variantPlain	Class name applied to the root element if `variant="plain"`.
.MuiRadioGroup-variantSoft	Class name applied to the root element if `variant="soft"`.
.MuiRadioGroup-variantSolid	Class name applied to the root element if `variant="solid"`.
.MuiRadioGroup-vertical	Class name applied to the root element if `orientation="vertical"`.