Oslo Grey
Registry ID
GCR-2025-878D91
Issued December 7, 2025
Color data
HEX #878D91
RGB 135 / 141 / 145
HSL 204° / 4% / 55%
CMYK 7 / 3 / 0 / 43
opencolors.org/certificate/878D91
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-878D91
Issued December 7, 2025
Color data
HEX #878D91
RGB 135 / 141 / 145
HSL 204° / 4% / 55%
CMYK 7 / 3 / 0 / 43
opencolors.org/certificate/878D91
White text
3.36:1 · Fail
Black text
6.25:1 · AA
CSS
--oslo-grey: #878D91;
Tailwind
bg-[#878D91]
Token
{
"oslo-grey": {
"value": "#878D91"
}
}