Prussian Blue
Registry ID
GCR-2025-003366
Issued December 7, 2025
Color data
HEX #003366
RGB 0 / 51 / 102
HSL 210° / 100% / 20%
CMYK 100 / 50 / 0 / 60
opencolors.org/certificate/003366
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-003366
Issued December 7, 2025
Color data
HEX #003366
RGB 0 / 51 / 102
HSL 210° / 100% / 20%
CMYK 100 / 50 / 0 / 60
opencolors.org/certificate/003366
White text
12.61:1 · AAA
Black text
1.67:1 · Fail
CSS
--prussian-blue: #003366;
Tailwind
bg-[#003366]
Token
{
"prussian-blue": {
"value": "#003366"
}
}