Cello
Registry ID
GCR-2025-3A4E5F
Issued December 7, 2025
Color data
HEX #3A4E5F
RGB 58 / 78 / 95
HSL 208° / 24% / 30%
CMYK 39 / 18 / 0 / 63
opencolors.org/certificate/3A4E5F
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-3A4E5F
Issued December 7, 2025
Color data
HEX #3A4E5F
RGB 58 / 78 / 95
HSL 208° / 24% / 30%
CMYK 39 / 18 / 0 / 63
opencolors.org/certificate/3A4E5F
White text
8.62:1 · AAA
Black text
2.43:1 · Fail
CSS
--cello: #3A4E5F;
Tailwind
bg-[#3A4E5F]
Token
{
"cello": {
"value": "#3A4E5F"
}
}