Onyx Heart
Registry ID
GCR-2025-353839
Issued December 7, 2025
Color data
HEX #353839
RGB 53 / 56 / 57
HSL 195° / 4% / 22%
CMYK 7 / 2 / 0 / 78
opencolors.org/certificate/353839
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-353839
Issued December 7, 2025
Color data
HEX #353839
RGB 53 / 56 / 57
HSL 195° / 4% / 22%
CMYK 7 / 2 / 0 / 78
opencolors.org/certificate/353839
White text
11.82:1 · AAA
Black text
1.78:1 · Fail
CSS
--onyx-heart: #353839;
Tailwind
bg-[#353839]
Token
{
"onyx-heart": {
"value": "#353839"
}
}