const.id

html-entity

σ

σ

σ

HTML named character reference σ maps to U+03C3.

Mapping

Named reference
σ
Code point(s)
U+03C3
Decimal
963
Characters
σ

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 (σ) are always valid HTML for the mapped code point(s).

Related

Unicode

U+03C3

Same character

Other entities

Entities that produce this code point

Source

Unicode
16.0.0
WHATWG
snapshot 2026-08-02