const.id

html-entity

:

:

:

HTML named character reference : maps to U+003A.

Mapping

Named reference
:
Code point(s)
U+003A
Decimal
58
Characters
:

Numeric character references

Named
Decimal
Hex

Usage

Prefer a named reference when the character must survive encoding mistakes or is awkward to type. Numeric references (:) are always valid HTML for the mapped code point(s).

Related

Unicode

U+003A

ASCII

0x3A

Same character

Other entities

Entities that produce this code point

Source

Unicode
16.0.0
WHATWG
snapshot 2026-08-02