Blue Flag
Registry ID
GCR-2025-3B506F
Issued December 7, 2025
Color data
HEX #3B506F
RGB 59 / 80 / 111
HSL 216° / 31% / 33%
CMYK 47 / 28 / 0 / 56
opencolors.org/certificate/3B506F
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-3B506F
Issued December 7, 2025
Color data
HEX #3B506F
RGB 59 / 80 / 111
HSL 216° / 31% / 33%
CMYK 47 / 28 / 0 / 56
opencolors.org/certificate/3B506F
White text
8.19:1 · AAA
Black text
2.56:1 · Fail
CSS
--blue-flag: #3B506F;
Tailwind
bg-[#3B506F]
Token
{
"blue-flag": {
"value": "#3B506F"
}
}