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☣️Biohazard Emoji
☣️ biohazard — U+2623 U+FE0F, added in Emoji 1.0 (2015). Unicode groups it with the other 13 warning symbols emojis under Symbols.
What ☣️ biohazard means
Caution and prohibition, most of it borrowed straight from real signage. ⚠️ heads a disclaimer or content warning, 🚫 and ⛔️ shut something down, and 🔞 marks adult material. ⛔️ is regularly mistaken for a stop sign, though the octagonal one 🛑 is a separate emoji filed with transport. ☢️ and ☣️ are rarely literal and instead label something toxic or best avoided.
Unicode tags this one sign and files it under Symbols → Warning Symbols.
Copy variants
biohazard carries a variation selector (U+FE0F) that forces colour rendering. Drop it and the same character renders as monochrome text.
Shortcodes
Type these instead of pasting — most chat apps expand them as you type.
How ☣️ is built
This emoji is more than one codepoint. Each part below is a character in its own right.
- ☣U+2623biohazard
- ·U+FE0FVariation selector (emoji style)
Codes & technical data
| Unicode | U+2623 U+FE0F | |
|---|---|---|
| HTML hex | ☣️ | |
| HTML decimal | ☣️ | |
| CSS | \2623\FE0F | |
| JavaScript | \u{2623}\u{FE0F} | |
| Python | \U00002623\U0000FE0F | |
| Java / C# | \u2623\uFE0F | |
| Rust | \u{2623}\u{fe0f} | |
| Swift | \u{2623}\u{FE0F} | |
| PHP | \u{2623}\u{FE0F} | |
| URL encoded | %E2%98%A3%EF%B8%8F | |
| UTF-8 bytes | E2 98 A3 EF B8 8F | |
| UTF-16 bytes | 2623 FE0F | |
| Base64 | 4pij77iP | |
| Decimal | 9763 65039 | |
| Introduced | Emoji 1.0 (2015) | |
Keywords
Appears in these collections
How to type ☣️
- Windows — press
Win + .and search “biohazard”. - macOS — press
Ctrl + Cmd + Spaceto open the character viewer. - iOS & Android — switch to the emoji keyboard and type “sign”.
- Linux — press
Ctrl + Shift + U, then type2623and Enter. - HTML — paste
☣️.
How ☣️ renders
The same character drawn with whichever emoji fonts your device has installed. Apple, Google and Microsoft each draw it differently, so what you see below depends on what you are reading this on.
- ☣️Apple
- ☣️Segoe
- ☣️Noto
- ☣️System
Frequently asked questions
What does the ☣️ biohazard emoji mean?+
☣️ is the biohazard emoji, tagged sign. Caution and prohibition, most of it borrowed straight from real signage. ⚠️ heads a disclaimer or content warning, 🚫 and ⛔️ shut something down, and 🔞 marks adult material. ⛔️ is regularly mistaken for a stop sign, though the octagonal one 🛑 is a separate emoji filed with transport. ☢️ and ☣️ are rarely literal and instead label something toxic or best avoided.
What is the Unicode code for ☣️?+
biohazard is U+2623 U+FE0F. In HTML that is ☣️, in CSS \2623\FE0F, and in JavaScript \u{2623}\u{FE0F}. The full table above lists every escape format.
When was the ☣️ emoji added?+
biohazard got its emoji presentation in Emoji 1.0 (2015). Platforms that shipped before that release may draw it in plain text, or not at all — that is why the same character can look different on an old phone.
Related emojis
More emojis from Warning Symbols in Symbols.
Added in Emoji 1.0 (2015)
Other emojis that shipped in the same Unicode release as ☣️ biohazard.