Largest Black Slug
Registry ID
GCR-2025-551F2F
Issued December 7, 2025
Color data
HEX #551F2F
RGB 85 / 31 / 47
HSL 342° / 47% / 23%
CMYK 0 / 64 / 45 / 67
opencolors.org/certificate/551F2F
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-551F2F
Issued December 7, 2025
Color data
HEX #551F2F
RGB 85 / 31 / 47
HSL 342° / 47% / 23%
CMYK 0 / 64 / 45 / 67
opencolors.org/certificate/551F2F
White text
12.94:1 · AAA
Black text
1.62:1 · Fail
CSS
--largest-black-slug: #551F2F;
Tailwind
bg-[#551F2F]
Token
{
"largest-black-slug": {
"value": "#551F2F"
}
}