U+1F17E · Enclosed Alphanumeric Supplement
O Button (blood Type) Emoji 🅾
O Button (blood Type) Emoji is the Unicode character U+1F17E (official name “NEGATIVE SQUARED LATIN CAPITAL LETTER O”) from the Enclosed Alphanumeric Supplement block. It belongs to SymbolHero’s enclosed letters & numbers collection. Copy it with the button, or use the codes and keyboard methods below to type it yourself.
Character codes
| Unicode code point | U+1F17E | |
|---|---|---|
| Decimal | 127358 | |
| HTML (hex) | 🅾 | |
| HTML (decimal) | 🅾 | |
| CSS | \1F17E | |
| JavaScript | \u{1F17E} or "\uD83C\uDD7E" | |
| Python | \U0001F17E | |
| UTF-8 bytes | F0 9F 85 BE | |
| UTF-16 | D83C DD7E | |
| URL-encoded | %F0%9F%85%BE |
Character details
| Official name | NEGATIVE SQUARED LATIN CAPITAL LETTER O |
|---|---|
| Unicode block | Enclosed Alphanumeric Supplement |
| General category | Other Symbol (So) |
| SymbolHero category | Enclosed Letters & Numbers |
| Emoji | Yes – has an emoji presentation |
How to type 🅾
Windows
- Press Win + . to open the emoji panel, then type “negative squared latin capital letter o”.
- In Microsoft Word or Outlook: type
1F17Ethen press Alt + X.
Mac
- Press Control + Command + Space to open the Character Viewer, search “negative squared latin capital letter o”, and double-click the result.
iPhone & Android
- Open the emoji keyboard on iPhone or Android and search “o button (blood type)”.
- Tap Copy at the top of this page, then long-press where you want it and choose Paste.
Docs & web
- Google Docs: Insert → Special characters, then search “negative squared latin capital letter o” or enter
U+1F17E. - HTML:
🅾 - Excel / Google Sheets:
=UNICHAR(127358)
Similar enclosed letters & numbers
Questions
What is the Unicode for 🅾?
It is U+1F17E (NEGATIVE SQUARED LATIN CAPITAL LETTER O), decimal 127358.
Is there a Windows Alt code for it?
No standard Alt code exists for this character. In Word type 1F17E then Alt+X, or copy it from this page.
How do I type it on a Mac?
There is no built-in Option shortcut. Use the Character Viewer (Control + Command + Space) and search “negative squared latin capital letter o”, or copy it from this page.
What is the HTML code?
Use the numeric reference 🅾 (or 🅾). There is no named entity.