Too Dark Tonight
Registry ID
GCR-2025-0011BB
Issued December 7, 2025
Color data
HEX #0011BB
RGB 0 / 17 / 187
HSL 235° / 100% / 37%
CMYK 100 / 91 / 0 / 27
opencolors.org/certificate/0011BB
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-0011BB
Issued December 7, 2025
Color data
HEX #0011BB
RGB 0 / 17 / 187
HSL 235° / 100% / 37%
CMYK 100 / 91 / 0 / 27
opencolors.org/certificate/0011BB
White text
11.68:1 · AAA
Black text
1.80:1 · Fail
CSS
--too-dark-tonight: #0011BB;
Tailwind
bg-[#0011BB]
Token
{
"too-dark-tonight": {
"value": "#0011BB"
}
}