Yves Klein Blue
Registry ID
GCR-2025-00008B
Issued December 7, 2025
Color data
HEX #00008B
RGB 0 / 0 / 139
HSL 240° / 100% / 27%
CMYK 100 / 100 / 0 / 45
opencolors.org/certificate/00008B
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-00008B
Issued December 7, 2025
Color data
HEX #00008B
RGB 0 / 0 / 139
HSL 240° / 100% / 27%
CMYK 100 / 100 / 0 / 45
opencolors.org/certificate/00008B
White text
15.30:1 · AAA
Black text
1.37:1 · Fail
CSS
--yves-klein-blue: #00008B;
Tailwind
bg-[#00008B]
Token
{
"yves-klein-blue": {
"value": "#00008B"
}
}