Sheffield
Registry ID
GCR-2025-638F7B
Issued December 7, 2025
Color data
HEX #638F7B
RGB 99 / 143 / 123
HSL 153° / 18% / 47%
CMYK 31 / 0 / 14 / 44
opencolors.org/certificate/638F7B
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-638F7B
Issued December 7, 2025
Color data
HEX #638F7B
RGB 99 / 143 / 123
HSL 153° / 18% / 47%
CMYK 31 / 0 / 14 / 44
opencolors.org/certificate/638F7B
White text
3.66:1 · Fail
Black text
5.75:1 · AA
CSS
--sheffield: #638F7B;
Tailwind
bg-[#638F7B]
Token
{
"sheffield": {
"value": "#638F7B"
}
}