Vanguard Mate Blue
Named by Octavio Arganini
Registry ID
GCR-2026-3700B5
Issued January 2, 2026
Color data
HEX #3700B5
RGB 55 / 0 / 181
HSL 258° / 100% / 35%
CMYK 70 / 100 / 0 / 29
opencolors.org/certificate/3700B5
The registry ID is GCR, the year the color was named, and its hex.
Named by Octavio Arganini
Registry ID
GCR-2026-3700B5
Issued January 2, 2026
Color data
HEX #3700B5
RGB 55 / 0 / 181
HSL 258° / 100% / 35%
CMYK 70 / 100 / 0 / 29
opencolors.org/certificate/3700B5
White text
11.48:1 · AAA
Black text
1.83:1 · Fail
CSS
--vanguard-mate-blue: #3700B5;
Tailwind
bg-[#3700B5]
Token
{
"vanguard-mate-blue": {
"value": "#3700B5"
}
}