Circle Alert Fill

The circle-alert-fill icon represents prominent warning messages, critical alerts, and high-priority cautions with a filled design for visual emphasis. Featuring an exclamation mark within a solid filled circle, this icon is commonly used to indicate important warnings, critical error states, urgent cautions, and high-priority alerts in notification systems, validation messages, and error displays.

In modern applications like critical error notifications in system dashboards, validation warnings in form fields showing invalid input, urgent alert banners in monitoring tools like Datadog or New Relic, or destructive action confirmations in user interfaces, you'll see this filled alert icon representing warnings that demand immediate attention. It appears in alert dialogs for critical system warnings, in form validation showing serious input errors, or in confirmation modals when users attempt potentially destructive actions.

From a visual hierarchy perspective, the filled alert circle communicates more than just 'warning' - it specifically indicates elevated urgency through solid fill, the critical importance that requires immediate user attention and action, and the distinction from informational alerts that use outlined variants. This fill clarity helps users quickly identify warnings that require immediate response versus lower-priority notifications.

Circle Alert Fill is one of 458 icons in Akar Icons, made by Arturo Wibawa and released under MIT. It is drawn on a 24 × 24 grid.

Sign in (it's free), then open Get icon, Install with shadcn CLI, and pick your package manager to copy the command. It adds CircleAlertFillIcon to components/icons/akar-icons-circle-alert-fill.tsx: one file, a size prop (24 by default) and every SVG prop, with no icon package.

Copy it as React (from Get icon, or the Code section): a typed CircleAlertFillIcon component you paste into your project, with no package to install. Only the icons you import reach your bundle. It works in Next.js and any React app.

Open Get icon, then Copy as code, and pick Vue, Svelte, Angular, Solid or Preact; the Code section shows each one too. Every version is one self-contained component with the SVG inside, and SVG and data URL copies are there for plain HTML and CSS.

With Pro, the shadcn.io MCP server lets Claude Code, Cursor or any MCP client find the Circle Alert Fill icon, or any of 458 Akar Icons icons, and install it from a prompt.

It's drawn in currentColor, so it takes the text color wherever you use it: a class like text-primary recolors it. To bake a color in, set one in Customize before you copy.

Set width and height on the component, or a class like size-6. It's drawn on a 24 × 24 grid, so it stays sharp at any size. Customize also sets the size it exports at, its padding and rotation.

Yes. It follows the text color, so with text-foreground (or any theme token) it changes with your light and dark themes. The icon is a vector, so it needs no separate dark asset.

Next to a visible label it's decoration: add aria-hidden="true" so screen readers skip it. Standing alone, as in an icon button, give the button a name instead, like aria-label="Circle Alert Fill", so screen readers say what it does.

Yes. CircleAlertFillIcon passes every SVG prop to the svg element, so <CircleAlertFillIcon aria-hidden="true" /> works, and so do role="img" with aria-label, or a title child, when it carries meaning on its own.

Yes. Open Get icon, then Download file: SVG for code or design tools like Figma; PNG, WebP or JPEG at 512px; or an ICO favicon with 16, 32 and 48px inside. Each one uses what you set in Customize.

Yes. MIT allows commercial use; keep the license notice when you ship the icons' source files. The full terms are in the license, linked on this page.

No visible credit is required: MIT only asks that you keep the license notice if you ship the icons' source files. Icons installed with the shadcn CLI already start with a comment naming Akar Icons, Arturo Wibawa and the license.

Yes. Copying and downloading it is free, and the shadcn CLI install only needs a free account.

3 other libraries draw an icon called Circle Alert Fill. The Other libraries section on this page shows each one, so you can compare them and open the one that fits your style.

Its tags are warning, alert, filled, danger, caution and urgent. Each tag page lists the icons that carry it from every library, which is the quickest way to find a match for Circle Alert Fill in another set.

Akar Icons draws many icons in several styles: Fill next to the default. Open the library and pick a style above the grid to see Circle Alert Fill's siblings in it.