Unicode Character "𝚄" (U+1D684)

The character 𝚄 (Mathematical Monospace Capital U) is represented by the Unicode codepoint U+1D684. It is encoded in the Mathematical Alphanumeric Symbols block, which belongs to the Supplementary Multilingual Plane. It was added to Unicode in version 3.1 (March, 2001). It is HTML encoded as 𝚄.

Main Unicode Properties

Name Mathematical Monospace Capital U
Unicode Codepoint U+1D684
Unicode Version 3.1 (March, 2001)
Block Mathematical Alphanumeric Symbols
Plane Supplementary Multilingual Plane

Bidirectional Data

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

Other Unicode Data

Category Uppercase Letter
Script Code for undetermined script
Combining Class Not Reordered
Decomposition mapping

U+1D684 Conversion

HTML (decimal) 𝚄
HTML (hex) 𝚄
HTML (named) -
URL Escape Code %F0%9D%9A%84
CSS \01D684
JavaScript, JSON \u1D684
C, C++, Java \u1D684
Python \u1D684
Rust \u{1D684}
Ruby \u1D684

How to type "𝚄"

  • Windows ?: Hold Alt, then type 1 D 6 8 4. Release Alt.
  • Mac ?: Hold Alt ⌥, then type D 8 3 5 D E 8 4. Release Alt.


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

UTF Encodings

UTF-8 (hex) 0xF0 0x9D 0x9A 0x84
UTF-16 (hex) 0xD835 0xDE84
UTF-32 (hex) 0x0001D684