Diamond Black
Registry ID
GCR-2025-2B303E
Issued December 7, 2025
Color data
HEX #2B303E
RGB 43 / 48 / 62
HSL 224° / 18% / 21%
CMYK 31 / 23 / 0 / 76
opencolors.org/certificate/2B303E
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-2B303E
Issued December 7, 2025
Color data
HEX #2B303E
RGB 43 / 48 / 62
HSL 224° / 18% / 21%
CMYK 31 / 23 / 0 / 76
opencolors.org/certificate/2B303E
White text
13.17:1 · AAA
Black text
1.60:1 · Fail
CSS
--diamond-black: #2B303E;
Tailwind
bg-[#2B303E]
Token
{
"diamond-black": {
"value": "#2B303E"
}
}