Granite Black
Registry ID
GCR-2025-313238
Issued December 7, 2025
Color data
HEX #313238
RGB 49 / 50 / 56
HSL 231° / 7% / 21%
CMYK 13 / 11 / 0 / 78
opencolors.org/certificate/313238
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-313238
Issued December 7, 2025
Color data
HEX #313238
RGB 49 / 50 / 56
HSL 231° / 7% / 21%
CMYK 13 / 11 / 0 / 78
opencolors.org/certificate/313238
White text
12.77:1 · AAA
Black text
1.64:1 · Fail
CSS
--granite-black: #313238;
Tailwind
bg-[#313238]
Token
{
"granite-black": {
"value": "#313238"
}
}