Super Black
Registry ID
GCR-2025-221100
Issued December 7, 2025
Color data
HEX #221100
RGB 34 / 17 / 0
HSL 30° / 100% / 7%
CMYK 0 / 50 / 100 / 87
opencolors.org/certificate/221100
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-221100
Issued December 7, 2025
Color data
HEX #221100
RGB 34 / 17 / 0
HSL 30° / 100% / 7%
CMYK 0 / 50 / 100 / 87
opencolors.org/certificate/221100
White text
18.29:1 · AAA
Black text
1.15:1 · Fail
CSS
--super-black: #221100;
Tailwind
bg-[#221100]
Token
{
"super-black": {
"value": "#221100"
}
}