UnicodeCharactercom
🅾
U+1F17E · NEGATIVE SQUARED LATIN CAPITAL LETTER O

Negative Squared Latin Capital Letter O

  • CodepointU+1F17E
  • NameNEGATIVE SQUARED LATIN CAPITAL LETTER O
  • Emoji nameO button (blood type)
  • Decimal127358
  • BlockEnclosed Alphanumeric Supplement (U+1F100–U+1F1FF)
  • Plane1 — Supplementary Multilingual Plane
  • ScriptCommon
  • CategorySo — Other Symbol
  • Unicode version6.0 (2010)
  • Bidi classL — Left-to-Right
  • Combining class0
  • East Asian widthA — Ambiguous
  • MirroredNo

About this character

U+1F17E (🅾) is NEGATIVE SQUARED LATIN CAPITAL LETTER O, a symbol in the Enclosed Alphanumeric Supplement block. Its script is Common: it is shared by many writing systems rather than belonging to one. It was added in Unicode 6.0 (2010).

Its emoji name (CLDR short name) is “O button (blood type)”, in the Symbols group, subgroup alphanum. By default it is shown as a text glyph; follow it with U+FE0F VARIATION SELECTOR-16 to request the colour emoji form (U+1F17E U+FE0F), or with U+FE0E VARIATION SELECTOR-15 to force text style.

Its East Asian Width is Ambiguous: it takes one column in Western contexts and two in East Asian legacy contexts, a common cause of misaligned tables in terminals.

How to type 🅾

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Encodings & escapes

UTF-8 encoder →
UTF-8F0 9F 85 BE4 bytes
UTF-16D83C DD7Esurrogate pair
UTF-320001F17E4 bytes
HTML decimal🅾
HTML hex🅾
CSS\1F17Ein content: "…"
JavaScript\u{1F17E}ES2015+
JavaScript\uD83C\uDD7Esurrogate pair
JSON\uD83C\uDD7E
Python\U0001F17E
Python\N{NEGATIVE SQUARED LATIN CAPITAL LETTER O}by name
Java / C#\uD83C\uDD7E
C / C++\U0001F17Euniversal character name
Rust / Swift / PHP\u{1F17E}
Go\U0001F17E
Ruby\u{1F17E}
Excel / Sheets=UNICHAR(127358)
URL-encoded%F0%9F%85%BEpercent-encoded UTF-8
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Nearby in Enclosed Alphanumeric Supplement

All in block →
U+1F178🅸Negative Squared Latin Capital Letter I U+1F179🅹Negative Squared Latin Capital Letter J U+1F17A🅺Negative Squared Latin Capital Letter K U+1F17B🅻Negative Squared Latin Capital Letter L U+1F17C🅼Negative Squared Latin Capital Letter M U+1F17D🅽Negative Squared Latin Capital Letter N U+1F17F🅿Negative Squared Latin Capital Letter P U+1F180🆀Negative Squared Latin Capital Letter Q U+1F181🆁Negative Squared Latin Capital Letter R U+1F182🆂Negative Squared Latin Capital Letter S U+1F183🆃Negative Squared Latin Capital Letter T U+1F184🆄Negative Squared Latin Capital Letter U