Caution Sign Symbol
The ☡ symbol is a Unicode caution/warning sign used to alert readers to potential risk.
U+2621
☡ is the Unicode character named “CAUTION SIGN” (U+2621). It’s commonly used as a compact warning indicator in text and UI elements. You can copy it directly or use the provided HTML/CSS/JavaScript escapes.
Caution Sign Symbol Meaning
☡ (CAUTION SIGN, U+2621) is used to communicate caution or a warning in a short, scannable way. It often appears alongside instructions such as “handle carefully,” “watch your step,” or “read before use,” especially where a full warning label would be too long. In interfaces, it can flag items that require attention, validation, or a safer action. As a generic caution icon, it’s useful in document headings, product labels, and status callouts. Use it consistently within a design system so users quickly recognize that the content indicates possible risk or special care.
Common uses
- •Product labels and packaging notes (e.g., “caution: sharp edges”)
- •User interface warnings (e.g., form validation or risky actions)
- •Safety instructions in manuals and training documents
- •Shipping or handling messages in logistics text templates
- •Content moderation or account alerts (e.g., “review required”)
Examples
☡ Caution Sign (U+2621)
- ☡☡ Caution: Do not touch the hot surface.
- ☡☡ Please review the safety instructions before installation.
- ☡☡ Caution: Watch for falling debris during maintenance.
- ☡☡ Caution: This action cannot be undone.
- ☡☡ Caution: Ensure the device is unplugged first.
Variations
Ready to copy
Technical codes
| Unicode | U+2621 | |
| HTML Entity | ☡ | |
| HTML Code | ☡ | |
| CSS | \2621 | |
| Alt Code | Alt + 9761 | |
| Decimal | 9761 |
How to type Caution Sign Symbol (☡)
On Windows
Hold Alt and type 9761 on the numeric keypad. In Word, type 2621 then press Alt + X.
On Mac
Switch to the Unicode Hex Input keyboard, then hold Option and type 2621. Or press Control + Command + Space and search.
On Linux
Press Control + Shift + U, type 2621, then press Enter or Space.
Anywhere
Copy ☡ with the button above and paste it wherever you need it — this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Caution Sign symbol mean?
☡ (CAUTION SIGN, U+2621) is used to communicate caution or a warning in a short, scannable way. It often appears alongside instructions such as “handle carefully,” “watch your step,” or “read before use,” especially where a full warning label would be too long. In interfaces, it can flag items that require attention, validation, or a safer action. As a generic caution icon, it’s useful in document headings, product labels, and status callouts. Use it consistently within a design system so users quickly recognize that the content indicates possible risk or special care.
What Unicode character is ☡?
☡ is the Unicode character named “CAUTION SIGN” with code point U+2621.
How do I copy ☡ into HTML?
Use the entity ☡ (HTML entity provided for this symbol).
What CSS and JavaScript escapes can I use for ☡?
CSS escape: \\2621. JavaScript escape: \\u{2621}.
When should I use a caution sign instead of other warning icons?
Use ☡ for general “be careful / take extra attention” messaging in text, UI callouts, and brief instructions where a concise warning indicator is needed.