Abaddon Black
Registry ID
GCR-2025-231F20
Issued December 7, 2025
Color data
HEX #231F20
RGB 35 / 31 / 32
HSL 345° / 6% / 13%
CMYK 0 / 11 / 9 / 86
opencolors.org/certificate/231F20
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-231F20
Issued December 7, 2025
Color data
HEX #231F20
RGB 35 / 31 / 32
HSL 345° / 6% / 13%
CMYK 0 / 11 / 9 / 86
opencolors.org/certificate/231F20
White text
16.30:1 · AAA
Black text
1.29:1 · Fail
CSS
--abaddon-black: #231F20;
Tailwind
bg-[#231F20]
Token
{
"abaddon-black": {
"value": "#231F20"
}
}