Siliceous Red
Registry ID
GCR-2025-5A3D4A
Issued December 7, 2025
Color data
HEX #5A3D4A
RGB 90 / 61 / 74
HSL 333° / 19% / 30%
CMYK 0 / 32 / 18 / 65
opencolors.org/certificate/5A3D4A
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-5A3D4A
Issued December 7, 2025
Color data
HEX #5A3D4A
RGB 90 / 61 / 74
HSL 333° / 19% / 30%
CMYK 0 / 32 / 18 / 65
opencolors.org/certificate/5A3D4A
White text
9.54:1 · AAA
Black text
2.20:1 · Fail
CSS
--siliceous-red: #5A3D4A;
Tailwind
bg-[#5A3D4A]
Token
{
"siliceous-red": {
"value": "#5A3D4A"
}
}