Signature Blue
Registry ID
GCR-2025-455371
Issued December 7, 2025
Color data
HEX #455371
RGB 69 / 83 / 113
HSL 221° / 24% / 36%
CMYK 39 / 27 / 0 / 56
opencolors.org/certificate/455371
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-455371
Issued December 7, 2025
Color data
HEX #455371
RGB 69 / 83 / 113
HSL 221° / 24% / 36%
CMYK 39 / 27 / 0 / 56
opencolors.org/certificate/455371
White text
7.70:1 · AAA
Black text
2.73:1 · Fail
CSS
--signature-blue: #455371;
Tailwind
bg-[#455371]
Token
{
"signature-blue": {
"value": "#455371"
}
}