ChartsLegend API

API reference docs for the React ChartsLegend 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:

Charts - Legend

Import

import { ChartsLegend } from '@mui/x-charts/ChartsLegend';
// or
import { ChartsLegend } from '@mui/x-charts';
// or
import { ChartsLegend } from '@mui/x-charts-pro';

Learn about the difference by reading this guide on minimizing bundle size.

Props

Props of the native component are also available.

Name	Type	Default	Description
classes	object	-	Override or extend the styles applied to the component. See CSS classes API below for more details.
direction	'horizontal' \| 'vertical'	-	The direction of the legend layout. The default depends on the chart.
onItemClick	func	-	Callback fired when a legend item is clicked. Signature:`function(event: React.MouseEvent, legendItem: SeriesLegendItemContext, index: number) => void` `event` The click event. `legendItem` The legend item data. `index` The index of the clicked legend item.
slotProps	object	{}	The props used for each component slot.
slots	object	{}	Overridable component slots. See Slots API below for more details.

The ref is forwarded to the root element.

Theme default props

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

Slots

Slot name	Class name	Default component	Description
legend		`ChartsLegend`	Custom rendering of the legend.

CSS classes

These class names are useful for styling with CSS. They are applied to the component's slots when specific states are triggered.

Class name	Rule name	Description
.MuiChartsLegend-horizontal	horizontal	Styles applied to the legend in row layout.
.MuiChartsLegend-label	label	Styles applied to the series label.
.MuiChartsLegend-mark	mark	Styles applied to series mark element.
.MuiChartsLegend-root	root	Styles applied to the root element.
.MuiChartsLegend-series	series	Styles applied to a series element.
.MuiChartsLegend-vertical	vertical	Styles applied to the legend in column layout.

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.

Source code

If you did not find the information in this page, consider having a look at the implementation of the component for more detail.