UnicodeCharactercom
Ο
U+039F · GREEK CAPITAL LETTER OMICRON

Greek Capital Letter Omicron

  • CodepointU+039F
  • NameGREEK CAPITAL LETTER OMICRON
  • Decimal927
  • BlockGreek and Coptic (U+0370–U+03FF)
  • Plane0 — Basic Multilingual Plane
  • ScriptGreek
  • CategoryLu — Uppercase Letter
  • Unicode version1.1 (1993)
  • Bidi classL — Left-to-Right
  • Combining class0
  • East Asian widthA — Ambiguous
  • MirroredNo

About this character

U+039F (Ο) is GREEK CAPITAL LETTER OMICRON, an uppercase letter in the Greek and Coptic block. It belongs to the Greek script. It was added in Unicode 1.1 (1993).

Its lowercase form is U+03BF ο.

How to type Ο

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Encodings & escapes

UTF-8 encoder →
UTF-8CE 9F2 bytes
UTF-16039F1 code unit
UTF-320000039F4 bytes
HTML namedΟnamed character reference
HTML decimalΟ
HTML hexΟ
CSS\39Fin content: "…"
JavaScript\u039F
JSON\u039F
Python\u039F
Python\N{GREEK CAPITAL LETTER OMICRON}by name
Java / C#\u039F
C / C++\u039Funiversal character name
Rust / Swift / PHP\u{39F}
Go\u039F
Ruby\u039F
Excel / Sheets=UNICHAR(927)
URL-encoded%CE%9Fpercent-encoded UTF-8
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Looks similar

Characters that Unicode’s security data (UTS #39 confusables) lists as visually confusable with this one. Useful for spotting lookalike spoofing in URLs and usernames.

U+00300Digit Zero U+004FOLatin Capital Letter O U+041EОCyrillic Capital Letter O U+0555ՕArmenian Capital Letter Oh U+3007〇Ideographic Number Zero U+FF2FＯFullwidth Latin Capital Letter O U+1D40E𝐎Mathematical Bold Capital O U+1D442𝑂Mathematical Italic Capital O U+1D476𝑶Mathematical Bold Italic Capital O U+1D4AA𝒪Mathematical Script Capital O U+1D4DE𝓞Mathematical Bold Script Capital O U+1D512𝔒Mathematical Fraktur Capital O U+1D546𝕆Mathematical Double-Struck Capital O U+1D57A𝕺Mathematical Bold Fraktur Capital O U+1D5AE𝖮Mathematical Sans-Serif Capital O U+1D5E2𝗢Mathematical Sans-Serif Bold Capital O
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Characters built on Ο

U+038CΌGreek Capital Letter Omicron with Tonos U+1F48ὈGreek Capital Letter Omicron with Psili U+1F49ὉGreek Capital Letter Omicron with Dasia U+1FF8ῸGreek Capital Letter Omicron with Varia U+1D6B6𝚶Mathematical Bold Capital Omicron U+1D6F0𝛰Mathematical Italic Capital Omicron U+1D72A𝜪Mathematical Bold Italic Capital Omicron U+1D764𝝤Mathematical Sans-Serif Bold Capital Omicron U+1D79E𝞞Mathematical Sans-Serif Bold Italic Capital Omicron
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Nearby in Greek and Coptic

All in block →
U+0399ΙGreek Capital Letter Iota U+039AΚGreek Capital Letter Kappa U+039BΛGreek Capital Letter Lamda U+039CΜGreek Capital Letter Mu U+039DΝGreek Capital Letter Nu U+039EΞGreek Capital Letter Xi U+03A0ΠGreek Capital Letter Pi U+03A1ΡGreek Capital Letter Rho U+03A3ΣGreek Capital Letter Sigma U+03A4ΤGreek Capital Letter Tau U+03A5ΥGreek Capital Letter Upsilon