Checkbox Group

Checkbox Groups combine a series of checkboxes together.

Colors

Red

Green

Blue

index.tsx

'use client';
import * as React from 'react';
import { Checkbox } from '@base-ui-components/react/checkbox';
import { CheckboxGroup } from '@base-ui-components/react/checkbox-group';
import { Field } from '@base-ui-components/react/field';

export default function UnstyledCheckboxIndeterminateGroup() {
  return (
    <Field.Root>
      <div style={{ display: 'flex', flexDirection: 'column' }}>
        <CheckboxGroup.Root defaultValue={['red']}>
          <Field.Label className="CheckboxGroup-label">Colors</Field.Label>
          <div style={{ display: 'flex', flexDirection: 'column' }}>
            <Field.Root>
              <Checkbox.Root className="Checkbox" name="red">
                <Checkbox.Indicator className="Checkbox-indicator">
                  <CheckIcon className="Check" />
                </Checkbox.Indicator>
              </Checkbox.Root>
              <Field.Label className="Checkbox-label">Red</Field.Label>
            </Field.Root>
            <Field.Root>
              <Checkbox.Root className="Checkbox" name="green">
                <Checkbox.Indicator className="Checkbox-indicator">
                  <CheckIcon className="Check" />
                </Checkbox.Indicator>
              </Checkbox.Root>
              <Field.Label className="Checkbox-label">Green</Field.Label>
            </Field.Root>
            <Field.Root>
              <Checkbox.Root className="Checkbox" name="blue">
                <Checkbox.Indicator className="Checkbox-indicator">
                  <CheckIcon className="Check" />
                </Checkbox.Indicator>
              </Checkbox.Root>
              <Field.Label className="Checkbox-label">Blue</Field.Label>
            </Field.Root>
          </div>
        </CheckboxGroup.Root>
        <Styles />
      </div>
    </Field.Root>
  );
}

const grey = {
  100: '#E5EAF2',
  300: '#C7D0DD',
  500: '#9DA8B7',
  600: '#6B7A90',
  800: '#303740',
  900: '#1C2025',
};

function Styles() {
  return (
    <style>
      {`
      .Check {
        height: 100%;
        width: 100%;
      }

      .CheckboxGroup-label {
        display: flex;
        font-weight: bold;
        gap: 8px;
        margin-bottom: 8px;
        font-size: 17px;
      }

      .Checkbox-label {
        display: flex;
        font-weight: 500;
        gap: 8px;
        margin-bottom: 8px;
      }

      .Checkbox {
        all: unset;
        box-sizing: border-box;
        text-align: center;
        width: 24px;
        height: 24px;
        padding: 0;
        border-radius: 4px;
        border: 2px solid ${grey[600]};
        background: none;
        transition-property: background, border-color;
        transition-duration: 0.15s;
      }

      .Checkbox[data-disabled] {
        opacity: 0.4;
        cursor: not-allowed;
      }

      .Checkbox:focus-visible {
        outline: 2px solid ${grey[500]};
        outline-offset: 2px;
      }

      .Checkbox[data-checked] {
        border-color: ${grey[800]};
        background: ${grey[800]};
      }

      .Checkbox-indicator {
        height: 100%;
        display: inline-block;
        visibility: hidden;
        color: ${grey[100]};
      }

      .Checkbox-indicator[data-checked] {
        visibility: visible;
      }

      .Checkbox-icon {
        width: 100%;
        height: 100%;
      }

      @media (prefers-color-scheme: dark) {
        .Checkbox {
          border-color: ${grey[500]};
        }

        .Checkbox:focus-visible {
          outline: 2px solid ${grey[600]};
          outline-offset: 2px;
        }

        .Checkbox[data-checked] {
          border-color: ${grey[300]};
          background: ${grey[300]};
        }

        .Checkbox:hover:not([data-disabled]) {
          border-color: ${grey[100]};
        }

        .Checkbox-indicator {
          color: ${grey[900]};
        }
      }
    `}
    </style>
  );
}

function CheckIcon(props: React.SVGProps<SVGSVGElement>) {
  return (
    <svg
      xmlns="http://www.w3.org/2000/svg"
      {...props}
      width="24"
      height="24"
      viewBox="0 0 24 24"
      fill="none"
    >
      <path
        d="M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"
        fill="currentColor"
      />
    </svg>
  );
}

Installation

Base UI components are all available as a single package.

npm install @base-ui-components/react

Once you have the package installed, import the component.

import { CheckboxGroup } from '@base-ui-components/react/checkbox-group';
import { Checkbox } from '@base-ui-components/react/checkbox';

Anatomy

Checkbox Group is composed of a Root component and Checkbox components:

<CheckboxGroup.Root /> renders a <div> with a group role.
<Checkbox.Root /> renders an individual <button> checkbox.

<CheckboxGroup.Root>
  <Checkbox.Root />
  <Checkbox.Root />
</CheckboxGroup.Root>

Labeling

Field components are used to label the Checkbox Group and individual Checkboxes:

import { Field } from '@base-ui-components/react/field';

<Field.Root>
  <CheckboxGroup.Root>
    <Field.Label>Colors</Field.Label>
    <Field.Root>
      <Checkbox.Root name="red" />
      <Field.Label>Red</Field.Label>
    </Field.Root>
    <Field.Root>
      <Checkbox.Root name="blue" />
      <Field.Label>Blue</Field.Label>
    </Field.Root>
  </CheckboxGroup.Root>
</Field.Root>

Controlled

The value and onValueChange props control the Checkbox Group with external state. value is an array of strings matching the name props of Checkboxes that are currently checked:

const [value, setValue] = useState(['red']);

return (
  <CheckboxGroup.Root value={value} onValueChange={setValue}>
    <Checkbox.Root name="red" /> {/* Checked */}
    <Checkbox.Root name="green" />
    <Checkbox.Root name="blue" />
  </CheckboxGroup.Root>
);

Parent Checkbox

A Checkbox can control a group of child Checkboxes.

Make CheckboxGroup.Root controlled and add allValues as a prop — an array of strings that contains the names of all the child checkboxes.
Add a parent prop to the Checkbox.Root component that controls the other (child) Checkboxes inside the group.
Give the child Checkboxes a name prop that identifies them inside the allValues array.

const allValues = ['a', 'b', 'c'];

function App() {
  const [value, setValue] = useState([]);
  return (
    <CheckboxGroup.Root value={value} onValueChange={setValue} allValues={allValues}>
      <Checkbox.Root parent />
      {allValues.map((value) => (
        <Checkbox.Root key={value} name={value} />
      ))}
    </CheckboxGroup.Root>
  );
}

Colors

All Colors

red
green
blue

UnstyledCheckboxGroupNested.tsx

'use client';
import * as React from 'react';
import { Checkbox as BaseCheckbox } from '@base-ui-components/react/checkbox';
import { CheckboxGroup } from '@base-ui-components/react/checkbox-group';
import { Field } from '@base-ui-components/react/field';
import { styled } from '@mui/system';

const colors = ['red', 'green', 'blue'];

export default function UnstyledCheckboxGroupNested() {
  const [value, setValue] = React.useState<string[]>([]);

  return (
    <Field.Root style={{ display: 'flex', flexDirection: 'column' }}>
      <CheckboxGroup.Root allValues={colors} value={value} onValueChange={setValue}>
        <CheckboxGroupLabel>Colors</CheckboxGroupLabel>
        <FieldRoot render={<ul />}>
          <Checkbox parent>
            <Indicator
              render={(props, { indeterminate }) => (
                <span {...props}>
                  {indeterminate ? <HorizontalRuleIcon /> : <CheckIcon />}
                </span>
              )}
            />
          </Checkbox>
          <CheckboxLabel>All Colors</CheckboxLabel>
        </FieldRoot>
        <List>
          {colors.map((color) => (
            <FieldListItem key={color} render={<li />}>
              <Checkbox name={color}>
                <Indicator>
                  <CheckIcon />
                </Indicator>
              </Checkbox>
              <CheckboxLabel>{color}</CheckboxLabel>
            </FieldListItem>
          ))}
        </List>
      </CheckboxGroup.Root>
    </Field.Root>
  );
}

const blue = {
  400: '#3399FF',
  600: '#0072E6',
  800: '#004C99',
};

const grey = {
  100: '#E5EAF2',
  400: '#B0B8C4',
  800: '#303740',
};

const CheckboxGroupLabel = styled(Field.Label)`
  display: block;
  font-weight: bold;
  font-size: 18px;
  margin-bottom: 8px;
`;

const Checkbox = styled(BaseCheckbox.Root)(
  ({ theme }) => `
    width: 24px;
    height: 24px;
    padding: 0;
    border-radius: 4px;
    border: 2px solid ${blue[600]};
    background: none;
    transition-property: background, border-color;
    transition-duration: 0.15s;
    outline: none;

    &[data-disabled] {
      opacity: 0.4;
      cursor: not-allowed;
    }

    &:focus-visible {
      outline: 2px solid ${theme.palette.mode === 'dark' ? blue[800] : blue[400]};
      outline-offset: 2px;
    }

    &[data-checked], &[data-indeterminate] {
      border-color: transparent;
      background: ${blue[600]};
    }
  `,
);

const HorizontalRuleIcon = styled(function HorizontalRuleIcon(
  props: React.SVGProps<SVGSVGElement>,
) {
  return (
    <svg
      xmlns="http://www.w3.org/2000/svg"
      {...props}
      width="24"
      height="24"
      viewBox="0 0 24 24"
      fill="none"
    >
      <path d="M4 11h16v2H4z" fill="currentColor" />
    </svg>
  );
})`
  height: 100%;
  width: 100%;
`;

const CheckIcon = styled(function CheckIcon(props: React.SVGProps<SVGSVGElement>) {
  return (
    <svg
      xmlns="http://www.w3.org/2000/svg"
      {...props}
      width="24"
      height="24"
      viewBox="0 0 24 24"
      fill="none"
    >
      <path
        d="M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"
        fill="currentColor"
      />
    </svg>
  );
})`
  height: 100%;
  width: 100%;
`;

const Indicator = styled(BaseCheckbox.Indicator)`
  height: 100%;
  display: inline-block;
  visibility: hidden;
  color: ${grey[100]};

  &[data-checked],
  &[data-indeterminate] {
    visibility: visible;
  }
`;

const FieldRoot = styled(Field.Root)`
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  padding: 0;
`;

const List = styled('ul')`
  list-style: none;
  padding: 0;
  margin: 0;
  margin-left: 32px;
`;

const FieldListItem = styled(Field.Root)`
  display: flex;
  align-items: center;

  &:not(:last-child) {
    margin-bottom: 8px;
  }
`;

const CheckboxLabel = styled(Field.Label)`
  display: flex;
  gap: 8px;
  text-transform: capitalize;
  padding-left: 8px;
`;

API Reference

CheckboxGroupRoot

The foundation for building custom-styled checkbox groups.

Prop	Type	Default	Description
`allValues`	`arrayOf`		All values of the checkboxes in the group.
`className`	`union`		Class names applied to the element or a function that returns them based on the component's state.
`defaultValue`	`arrayOf`		The default checked values of the checkbox group. Use when uncontrolled.
`disabled`	`bool`	`false`	Whether the checkbox group is disabled.
`onValueChange`	`func`		A callback function that is called when the value of the checkbox group changes. Use when controlled.
`render`	`union`		A function to customize rendering of the component.
`value`	`arrayOf`		The currently checked values of the checkbox group. Use when controlled.

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