U+2621
Caution sign☡
Caution sign is a monochrome text character from the Unicode Miscellaneous Symbols block, listed here under Signs & Warnings. Copy it with one click, or use the hex, octal, decimal and HTML entity codes below to embed it in web pages, code, and documents. It is often searched for as "danger", "warning", "attention".
Quick facts
- Unicode
- U+2621
- Decimal
- 9761
- Hex
- 0x2621
- Octal
- 0o23041
Unicode identity
| Format | Value | Copy |
|---|---|---|
| Code pointOfficial Unicode notation | U+2621 | |
| Official nameUnicodeData.txt, Unicode 18.0.0 | CAUTION SIGN | |
| DecimalBase 10 | 9761 | |
| HexadecimalBase 16 | 0x2621 | |
| OctalBase 8 | 0o23041 | |
| BinaryBase 2 | 0010011000100001 | |
| General categorySymbol, other | So | |
| Unicode blockU+2600–U+26FF | Miscellaneous Symbols | |
| Plane | Basic Multilingual Plane (BMP, Plane 0) |
HTML & CSS
| Format | Value | Copy |
|---|---|---|
| HTML entity (decimal) | ☡ | |
| HTML entity (hex) | ☡ | |
| CSS content escapeUse inside content: "…" | \2621 | |
| URL encodedPercent-encoded UTF-8 | %E2%98%A1 |
Programming languages
| Format | Value | Copy |
|---|---|---|
| JavaScript / TypeScript | \u2621 | |
| JSONUTF-16 surrogate pairs | \u2621 | |
| Python | \u2621 | |
| Java / C# / Kotlin | \u2621 |
Byte encodings
| Format | Value | Copy |
|---|---|---|
| UTF-83 bytes | E2 98 A1 | |
| UTF-16 (BE) | 2621 | |
| UTF-32 (BE) | 00002621 |
How to type Caution sign
Windows
Hold Alt and type +2621 with the hex numeric keypad option enabled, or type 2621 then press Alt+X in Word and most Office apps.
macOS
Enable the Unicode Hex Input keyboard, hold Option, and type 2621. Or open Character Viewer (Control+Command+Space) and search "Caution sign".
Linux
Press Ctrl+Shift+U, type 2621, then press Space or Enter in GTK apps. IBus and most terminals support the same sequence.
HTML, CSS & code
Paste the character directly, or use the escapes above: ☡ in HTML, \2621 in CSS, and \u2621 in JavaScript.
Official Unicode reference
- Character name
- CAUTION SIGN
- Block
- Miscellaneous Symbols (U+2600–U+26FF)
- General category
- So — Symbol, other
Data from the Unicode Character Database, version 18.0.0. See the official code chart for the Miscellaneous Symbols block: U2600.pdf (PDF, unicode.org).
Frequently asked questions
How do I copy the Caution sign symbol?
Click the Copy button at the top of this page, or select ☡ and press Ctrl+C (Cmd+C on Mac). It is plain Unicode text, so it pastes into documents, chats, code, and design tools.
What is the Unicode code point for Caution sign?
Caution sign is U+2621 (decimal 9761, hexadecimal 0x2621, octal 0o23041). It lives in the Miscellaneous Symbols block (U+2600–U+26FF) of the Basic Multilingual Plane (BMP, Plane 0).
What is the official Unicode name of Caution sign?
The Unicode Standard (version 18.0.0) names this character "CAUTION SIGN". Its General_Category is So (Symbol, other).
What is the HTML code for Caution sign?
Use ☡ or ☡. In CSS, use content: "\2621".
How do I type Caution sign in code?
JavaScript: "\u2621". Python: "\u2621". JSON and Java: "\u2621". The UTF-8 byte sequence is E2 98 A1.
Is Caution sign an emoji?
No. Caution sign is a text symbol and renders as a monochrome glyph in the current font. Some platforms may offer an emoji variant when U+FE0F is appended.