Firmament Blue
Registry ID
GCR-2025-11353F
Issued December 7, 2025
Color data
HEX #11353F
RGB 17 / 53 / 63
HSL 193° / 58% / 16%
CMYK 73 / 16 / 0 / 75
opencolors.org/certificate/11353F
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-11353F
Issued December 7, 2025
Color data
HEX #11353F
RGB 17 / 53 / 63
HSL 193° / 58% / 16%
CMYK 73 / 16 / 0 / 75
opencolors.org/certificate/11353F
White text
13.09:1 · AAA
Black text
1.60:1 · Fail
CSS
--firmament-blue: #11353F;
Tailwind
bg-[#11353F]
Token
{
"firmament-blue": {
"value": "#11353F"
}
}