Unicode Character "≔" (U+2254)

The character (Colon Equals) is represented by the Unicode codepoint U+2254. It is encoded in the Mathematical Operators block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as ≔. Its mirrored character is (U+2255).

Main Unicode Properties

Name Colon Equals
Unicode Codepoint U+2254
Unicode Version 1.1 (June, 1993)
Block Mathematical Operators
Plane Basic Multilingual Plane

Bidirectional Data

Bidirectional class Other Neutral (ON)
Is mirrored? Yes
Mirrored character (U+2255)

Other Unicode Data

Category Math Symbol
Script Code for undetermined script
Combining Class Not Reordered

U+2254 Conversion

HTML (decimal) ≔
HTML (hex) ≔
HTML (named) ≔
URL Escape Code %E2%89%94
CSS \002254
JavaScript, JSON \u2254
C, C++, Java \u2254
Python \u2254
Rust \u{2254}
Ruby \u2254

How to type "≔"

  • Windows ?: Hold Alt, then type 2 2 5 4. Release Alt.
  • Mac ?: Hold Alt ⌥, then type 2 2 5 4. Release Alt.


  • Times, Times New Roman, serif
  • Helvetica, Arial, sans-serif
  • Courier, Courier New, monospace

UTF Encodings

UTF-8 (hex) 0xE2 0x89 0x94
UTF-16 (hex) 0x2254
UTF-32 (hex) 0x00002254