Thick Blue
Registry ID
GCR-2025-5566DD
Issued December 7, 2025
Color data
HEX #5566DD
RGB 85 / 102 / 221
HSL 233° / 67% / 60%
CMYK 62 / 54 / 0 / 13
opencolors.org/certificate/5566DD
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-5566DD
Issued December 7, 2025
Color data
HEX #5566DD
RGB 85 / 102 / 221
HSL 233° / 67% / 60%
CMYK 62 / 54 / 0 / 13
opencolors.org/certificate/5566DD
White text
4.85:1 · AA
Black text
4.33:1 · Fail
CSS
--thick-blue: #5566DD;
Tailwind
bg-[#5566DD]
Token
{
"thick-blue": {
"value": "#5566DD"
}
}