Duke Blue
Registry ID
GCR-2025-00009C
Issued December 7, 2025
Color data
HEX #00009C
RGB 0 / 0 / 156
HSL 240° / 100% / 31%
CMYK 100 / 100 / 0 / 39
opencolors.org/certificate/00009C
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-00009C
Issued December 7, 2025
Color data
HEX #00009C
RGB 0 / 0 / 156
HSL 240° / 100% / 31%
CMYK 100 / 100 / 0 / 39
opencolors.org/certificate/00009C
White text
14.19:1 · AAA
Black text
1.48:1 · Fail
CSS
--duke-blue: #00009C;
Tailwind
bg-[#00009C]
Token
{
"duke-blue": {
"value": "#00009C"
}
}