Red Blood
Registry ID
GCR-2025-660000
Issued December 7, 2025
Color data
HEX #660000
RGB 102 / 0 / 0
HSL 0° / 100% / 20%
CMYK 0 / 100 / 100 / 60
opencolors.org/certificate/660000
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-660000
Issued December 7, 2025
Color data
HEX #660000
RGB 102 / 0 / 0
HSL 0° / 100% / 20%
CMYK 0 / 100 / 100 / 60
opencolors.org/certificate/660000
White text
13.42:1 · AAA
Black text
1.56:1 · Fail
CSS
--red-blood: #660000;
Tailwind
bg-[#660000]
Token
{
"red-blood": {
"value": "#660000"
}
}