Language

Colon Equals

U+2254Mathematical Operators

Copy and paste ≔. The Colon Equals character has Unicode code point U+2254 and decimal HTML code ≔.

Symbol codes

Unicode
U+2254
HTML Code
≔
CSS Code
\2254
HTML Entity
≔
HEX Code
≔

Technical properties

Unicode 18.0.0

Code point
U+2254
Decimal
8788
Unicode name
COLON EQUALS
Block
Mathematical Operators · U+2200–U+22FF
General category
Math Symbol (Sm)
Script
Common
Introduced
Unicode 1.1
JavaScript
"\u2254"

Appears in

About Colon Equals

≔ is encoded in Unicode as code point U+2254 (decimal 8788). Its official Unicode name is COLON EQUALS.

It belongs to the Mathematical Operators block (U+2200–U+22FF), its General Category is Math Symbol (Sm), and it was added in Unicode 1.1, released in 1993. Its script value is Common: it is shared across writing systems rather than belonging to one.

Sources: Unicode Character Database 18.0.0, the HTML Standard’s list of named character references, and Unicode’s code page mappings.

How to type or insert Colon Equals

Any device
Select Copy symbol, then paste with Ctrl+V, or ⌘+V on a Mac.
Microsoft Word
Type 2254, then press Alt+X.
macOS Character Viewer
Press Control+⌘+Space and search for “colon equals”.
Linux (GTK and IBus)
Press Ctrl+Shift+U, type 2254, then press Space.
HTML
≔ or ≔. In a UTF-8 page you can also paste the character itself.
CSS
content: "\2254"; in a ::before or ::after rule.
JavaScript
"\u2254"

Common questions about Colon Equals

What is the Colon Equals symbol?

≔ (Colon Equals) is a math symbol in Unicode’s Mathematical Operators block. Its code point is U+2254, and it has been part of the standard since Unicode 1.1 (1993).

How do I copy and paste the Colon Equals symbol?

Select Copy symbol at the top of this page, then paste with Ctrl+V on Windows and Linux or ⌘+V on a Mac. On a phone, tap Copy symbol, then touch and hold where you want it and choose Paste. ≔ pastes as ordinary text, so it works in documents, messages, and code.

How do I type the Colon Equals symbol on Windows?

In Microsoft Word, type 2254 and press Alt+X to turn the code into ≔. In any app, open Character Map from the Start menu, search for “colon equals”, then select and copy the character.

How do I type the Colon Equals symbol on a Mac?

Press Control+⌘+Space to open the Character Viewer, search for “colon equals”, and double-click the result to insert it.

How do I type the Colon Equals symbol on an iPhone or Android phone?

The simplest way is to copy it from this page and paste it where you need it. If you use it often, save it as a text shortcut: on iPhone, go to Settings > General > Keyboard > Text Replacement; with Gboard on Android, go to Gboard settings > Dictionary > Personal dictionary.

Can I use the Colon Equals symbol in Word, Google Docs, and social media?

Yes. ≔ is a standard Unicode character, so you can paste it into Microsoft Word, Google Docs, emails, and posts or bios on Instagram, X, Facebook, and TikTok. In Google Docs you can also choose Insert > Special characters and search for “colon equals”. In Word, choose Insert > Symbol > More Symbols, set from to Unicode (hex), and enter 2254 as the character code.

Is the Colon Equals symbol an emoji?

No. ≔ is a text symbol, not an emoji. It takes the color and size of the surrounding text, and its exact shape depends on the font.

Why does the Colon Equals symbol show as a box or question mark?

An empty box or a question mark means the font on that device has no glyph for ≔. The character is still there: it appears correctly wherever a font covers Unicode’s Mathematical Operators block, and free font families such as Google Noto cover nearly all of Unicode.

What are the HTML and CSS codes for the Colon Equals symbol?

In HTML, write ≔ (decimal) or ≔ (hexadecimal), or the named entity ≔. In CSS, use content: "\2254"; in a ::before or ::after rule, and in JavaScript "\u2254". See all HTML codes.