Imperial Primer
Registry ID
GCR-2025-21303E
Issued December 7, 2025
Color data
HEX #21303E
RGB 33 / 48 / 62
HSL 209° / 31% / 19%
CMYK 47 / 23 / 0 / 76
opencolors.org/certificate/21303E
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-21303E
Issued December 7, 2025
Color data
HEX #21303E
RGB 33 / 48 / 62
HSL 209° / 31% / 19%
CMYK 47 / 23 / 0 / 76
opencolors.org/certificate/21303E
White text
13.49:1 · AAA
Black text
1.56:1 · Fail
CSS
--imperial-primer: #21303E;
Tailwind
bg-[#21303E]
Token
{
"imperial-primer": {
"value": "#21303E"
}
}