Unicode Character "б" (U+0431)

The character б (Cyrillic Small Letter Be) is represented by the Unicode codepoint U+0431. It is encoded in the Cyrillic block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as б.

Main Unicode Properties

Name Cyrillic Small Letter Be
Unicode Codepoint U+0431
Unicode Version 1.1 (June, 1993)
Block Cyrillic
Plane Basic Multilingual Plane

Bidirectional Data

Bidirectional class Left To Right (L)
Is mirrored? No

Character Case

Case Lowercase
Uppercase character Б (U+0411)

Other Unicode Data

Category Lowercase Letter
Script Cyrillic
Combining Class Not Reordered

U+0431 Conversion

HTML (decimal) б
HTML (hex) б
HTML (named) б
URL Escape Code %D0%B1
CSS \000431
JavaScript, JSON \u0431
C, C++, Java \u0431
Python \u0431
Rust \u{0431}
Ruby \u0431

How to type "б"

  • Windows ?: Hold Alt, then type 0 4 3 1. Release Alt.
  • Mac ?: Hold Alt ⌥, then type 0 4 3 1. Release Alt.


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

UTF Encodings

UTF-8 (hex) 0xD0 0xB1
UTF-16 (hex) 0x0431
UTF-32 (hex) 0x00000431