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Codex contains a collection of 242 icons that can be used to convey actions or other information visually. See all icons a full list of available icons per directionality and language.

If you're interested in adding a new icon to Codex, visit the contributing docs to learn about designing new icons and implementing new icons in the @wikimedia/codex-icons package.

Using icons

Import icons from the @wikimedia/codex-icons package individually, like this:

import { cdxIconAlert } from '@wikimedia/codex-icons';

Use icons through the icon component or through other components that accept icons as props. You can also embed the icon component in another component's slot; for example, you can use the icon component inside the button component to create a button with an icon. For complete code examples of how to use icons, see the demos in the icon component documentation.

Icon labels

When an icon appears without immediately adjacent text that makes it clear what the icon means, you should provide an icon label. The icon label is used by screen readers and other assistive technology as replacement text for the icon. Most browsers also display it as a tooltip when the user hovers over the icon. If no icon label is set, the icon is hidden from assistive technology using the aria-hidden attribute.


The icon label is invisible, it's not rendered as visible text next to the icon. To render an icon followed by text, put the text outside of the icon component, like in the second example below.

You have to provide an icon label when there is no other text explaining what the icon means. For example:

<cdx-button action="destructive">
	<cdx-icon :icon="cdxIconTrash" icon-label="delete" />

The code above displays , which is read by assistive technology as delete.

You should not provide an icon label when there is other text explaining the same thing that the icon does, and the icon text would be duplicative. For example:

<cdx-button action="destructive">
	<cdx-icon :icon="cdxIconTrash" /> Delete this file

The code above displays . Assistive technology software skips over the icon and just read Delete this file, which still makes it clear what the button does. If you added icon-label="delete" here, a screen reader would read delete Delete this file, which is not a good experience for assistive technology users.

Icon colors

All icons are monochrome, meaning the entire icon is the same color. By default, CdxIcon components use the base color (#202122), but this can be overridden by changing the color property of the .cdx-icon element in CSS. For example:

.my-important-component .cdx-icon {
	color: #36c;

Note that the SVG inherits the CdxIcon color by applying fill: currentColor.
Some components style their icons to match the surrounding text color. For example, CdxButton features red icons matching the red (#d73333) text in its destructive variant.

Right-to-left (RTL) and language support

Many icons have different versions for left-to-right (LTR) and right-to-left (RTL) contexts. For example, cdxIconJournal looks like in LTR, but looks like in RTL. The icon component automatically detects the direction of its environment, and chooses the correct icon accordingly. For example, if <cdx-icon :icon="cdxIconJournal" /> appears on a page that is RTL, or inside of a <div dir="rtl"> tag, the RTL version of the icon will be displayed.

Similarly, some icons have different versions for different languages. For example, cdxIconBold looks like in English, but looks like in French. The icon component also automatically detects the language of its environment, so if for example <cdx-icon :icon="cdxIconBold" /> appears on a page that has <html lang="fr"> at the root, or inside of a <p lang="fr">, the French version of the icon will be displayed.

Limitations and override

The automatic direction and language detection feature has limitations. It only detects the direction and language of the surrounding context when the icon component is initially mounted. If the surrounding context changes later, for example because the lang or dir attribute on the parent/ancestor is changed, the icon will not notice these changes and will not update to reflect them.

If you run into this limitation, or if the automatic direction/language detection isn't working for other reasons, you can set the direction and/or language explicitly through the dir and lang props:

Bold icon in German: <cdx-icon :icon="cdxIconBold" lang="de" />
Journal icon in RTL: <cdx-icon :icon="cdxIconJournal" dir="rtl" />