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🅰️A Button (Blood Type) Emoji
Tagged blood, button and type, 🅰️ A button (blood type) sits in Unicode's Alphanumeric Symbols group inside Symbols. It was introduced in Unicode 6.0 (2010) at U+1F170 U+FE0F.
What 🅰️ A button (blood type) means
Squared letter and word buttons, most of them inherited wholesale from Japanese carrier emoji and never rethought since. 🆒, 🆕, 🆓 and 🆗 still see use as labels, and 🆘 is read as a genuine call for help. 🅰️, 🅱️, 🅾️ and 🆎 are blood-type buttons, a category that matters in Japan, where blood type is discussed the way star signs are elsewhere.
Unicode tags this one blood, button and type and files it under Symbols → Alphanumeric Symbols.
Copy variants
A button (blood type) 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+1F170A button (blood type)
- ·U+FE0FVariation selector (emoji style)
Codes & technical data
| Unicode | U+1F170 U+FE0F | |
|---|---|---|
| HTML hex | 🅰️ | |
| HTML decimal | 🅰️ | |
| CSS | \1F170\FE0F | |
| JavaScript | \u{1F170}\u{FE0F} | |
| Python | \U0001F170\U0000FE0F | |
| Java / C# | \uD83C\uDD70\uFE0F | |
| Rust | \u{1f170}\u{fe0f} | |
| Swift | \u{1F170}\u{FE0F} | |
| PHP | \u{1F170}\u{FE0F} | |
| URL encoded | %F0%9F%85%B0%EF%B8%8F | |
| UTF-8 bytes | F0 9F 85 B0 EF B8 8F | |
| UTF-16 bytes | D83C DD70 FE0F | |
| Base64 | 8J+FsO+4jw== | |
| Decimal | 127344 65039 | |
| Introduced | Unicode 6.0 (2010) | |
Keywords
- blood
- button
- type
How to type 🅰️
- Windows — press
Win + .and search “A button (blood type)”. - macOS — press
Ctrl + Cmd + Spaceto open the character viewer. - iOS & Android — switch to the emoji keyboard and type “blood”.
- Linux — press
Ctrl + Shift + U, then type1f170and 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 🅰️ A button (blood type) emoji mean?+
🅰️ is the A button (blood type) emoji, tagged blood, button and type. Squared letter and word buttons, most of them inherited wholesale from Japanese carrier emoji and never rethought since. 🆒, 🆕, 🆓 and 🆗 still see use as labels, and 🆘 is read as a genuine call for help. 🅰️, 🅱️, 🅾️ and 🆎 are blood-type buttons, a category that matters in Japan, where blood type is discussed the way star signs are elsewhere.
What is the Unicode code for 🅰️?+
A button (blood type) is U+1F170 U+FE0F. In HTML that is 🅰️, in CSS \1F170\FE0F, and in JavaScript \u{1F170}\u{FE0F}. The full table above lists every escape format.
When was the 🅰️ emoji added?+
A button (blood type) got its emoji presentation in Unicode 6.0 (2010). 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 Alphanumeric Symbols in Symbols.
Added in Unicode 6.0 (2010)
Other emojis that shipped in the same Unicode release as 🅰️ A button (blood type).