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U+2254 · Mathematical Operators

Colon Equals

Colon Equals is the Unicode character U+2254 (official name “COLON EQUALS”) from the Mathematical Operators block. It belongs to SymbolHero’s math symbols collection. Copy it with the button, or use the codes and keyboard methods below to type it yourself.

UnicodeU+2254
HTML≔
U+2254

Character codes

Unicode code pointU+2254
Decimal8788
HTML named entity≔
HTML (hex)
HTML (decimal)
CSS\2254
JavaScript\u2254
Python\u2254
UTF-8 bytesE2 89 94
UTF-162254
URL-encoded%E2%89%94

Character details

Official nameCOLON EQUALS
Unicode blockMathematical Operators
General categoryMath Symbol (Sm)
SymbolHero categoryMath Symbols
EmojiNo

How to type ≔

Windows

  • In Microsoft Word or Outlook: type 2254 then press Alt + X.
  • Open Character Map (search “Character Map” in Start), tick “Advanced view”, search for “colon equals”, then Select and Copy.

Mac

  • Press Control + Command + Space to open the Character Viewer, search “colon equals”, and double-click the result.
  • With the Unicode Hex Input keyboard enabled (System Settings → Keyboard → Input Sources), hold Option and type 2254.

iPhone & Android

  • 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 “colon equals” or enter U+2254.
  • HTML: ≔ or
  • Excel / Google Sheets: =UNICHAR(8788)

Questions

What is the Unicode for ≔?

It is U+2254 (COLON EQUALS), decimal 8788.

Is there a Windows Alt code for it?

No standard Alt code exists for this character. In Word type 2254 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 “colon equals”, or copy it from this page.

What is the HTML code?

Use the named entity ≔ or the numeric reference ≔.