Blackbird
Registry ID
GCR-2025-3F444C
Issued December 7, 2025
Color data
HEX #3F444C
RGB 63 / 68 / 76
HSL 217° / 9% / 27%
CMYK 17 / 11 / 0 / 70
opencolors.org/certificate/3F444C
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-3F444C
Issued December 7, 2025
Color data
HEX #3F444C
RGB 63 / 68 / 76
HSL 217° / 9% / 27%
CMYK 17 / 11 / 0 / 70
opencolors.org/certificate/3F444C
White text
9.80:1 · AAA
Black text
2.14:1 · Fail
CSS
--blackbird: #3F444C;
Tailwind
bg-[#3F444C]
Token
{
"blackbird": {
"value": "#3F444C"
}
}