Boston Blue
Registry ID
GCR-2025-438EAC
Issued December 7, 2025
Color data
HEX #438EAC
RGB 67 / 142 / 172
HSL 197° / 44% / 47%
CMYK 61 / 17 / 0 / 33
opencolors.org/certificate/438EAC
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-438EAC
Issued December 7, 2025
Color data
HEX #438EAC
RGB 67 / 142 / 172
HSL 197° / 44% / 47%
CMYK 61 / 17 / 0 / 33
opencolors.org/certificate/438EAC
White text
3.68:1 · Fail
Black text
5.70:1 · AA
CSS
--boston-blue: #438EAC;
Tailwind
bg-[#438EAC]
Token
{
"boston-blue": {
"value": "#438EAC"
}
}