Library Red
Registry ID
GCR-2025-5B3530
Issued December 7, 2025
Color data
HEX #5B3530
RGB 91 / 53 / 48
HSL 7° / 31% / 27%
CMYK 0 / 42 / 47 / 64
opencolors.org/certificate/5B3530
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-5B3530
Issued December 7, 2025
Color data
HEX #5B3530
RGB 91 / 53 / 48
HSL 7° / 31% / 27%
CMYK 0 / 42 / 47 / 64
opencolors.org/certificate/5B3530
White text
10.52:1 · AAA
Black text
2.00:1 · Fail
CSS
--library-red: #5B3530;
Tailwind
bg-[#5B3530]
Token
{
"library-red": {
"value": "#5B3530"
}
}