Mallard Blue
Registry ID
GCR-2025-3F6378
Issued December 7, 2025
Color data
HEX #3F6378
RGB 63 / 99 / 120
HSL 202° / 31% / 36%
CMYK 48 / 18 / 0 / 53
opencolors.org/certificate/3F6378
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-3F6378
Issued December 7, 2025
Color data
HEX #3F6378
RGB 63 / 99 / 120
HSL 202° / 31% / 36%
CMYK 48 / 18 / 0 / 53
opencolors.org/certificate/3F6378
White text
6.43:1 · AA
Black text
3.27:1 · Fail
CSS
--mallard-blue: #3F6378;
Tailwind
bg-[#3F6378]
Token
{
"mallard-blue": {
"value": "#3F6378"
}
}