Umbra
Registry ID
GCR-2025-211E1F
Issued December 7, 2025
Color data
HEX #211E1F
RGB 33 / 30 / 31
HSL 340° / 5% / 12%
CMYK 0 / 9 / 6 / 87
opencolors.org/certificate/211E1F
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-211E1F
Issued December 7, 2025
Color data
HEX #211E1F
RGB 33 / 30 / 31
HSL 340° / 5% / 12%
CMYK 0 / 9 / 6 / 87
opencolors.org/certificate/211E1F
White text
16.53:1 · AAA
Black text
1.27:1 · Fail
CSS
--umbra: #211E1F;
Tailwind
bg-[#211E1F]
Token
{
"umbra": {
"value": "#211E1F"
}
}