Warning Octagon Bold

The warning-octagon-bold icon represents a bold or emphasized warning or alert symbol, often used to indicate a high level of caution or potential danger. It is commonly used in various contexts to signal that something is amiss or requires immediate attention.

In software and digital interfaces, the warning-octagon-bold icon appears in critical error messages, notifications, and alerts to convey a sense of urgency or importance. For example, it might be used in Figma or Notion to indicate a critical issue or to prompt the user to take immediate action.

From a UX perspective, the warning-octagon-bold icon effectively communicates a sense of heightened caution or concern, helping users quickly identify and address critical problems. Its clear and recognizable design makes it an effective tool for navigation and interface design.

Warning Octagon Bold is one of 9,161 icons in Phosphor, made by Phosphor Icons and released under MIT. It is drawn on a 256 × 256 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 WarningOctagonBoldIcon to components/icons/ph-warning-octagon-bold.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 WarningOctagonBoldIcon 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.

Yes, if your project has @phosphor-icons/react: Warning Octagon Bold is `WarningOctagon` there, used as <WarningOctagon weight="bold" />. The shadcn.io MCP server answers with that import when it finds the package. Without it, copy the icon from here.

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 Warning Octagon Bold icon, or any of 9,161 Phosphor 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 256 × 256 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="Warning Octagon Bold", so screen readers say what it does.

Yes. WarningOctagonBoldIcon passes every SVG prop to the svg element, so <WarningOctagonBoldIcon 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 Phosphor, Phosphor Icons and the license.

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

2 other libraries draw an icon called Warning Octagon Bold. 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 notification, warning, alert, error, danger and caution. Each tag page lists the icons that carry it from every library, which is the quickest way to find a match for Warning Octagon Bold in another set.

Phosphor draws many icons in several styles: Bold, Light, Thin, Duotone and Fill next to the default. Open the library and pick a style above the grid to see Warning Octagon Bold's siblings in it.