Sinoper Red
Registry ID
GCR-2025-BB1111
Issued December 7, 2025
Color data
HEX #BB1111
RGB 187 / 17 / 17
HSL 0° / 83% / 40%
CMYK 0 / 91 / 91 / 27
opencolors.org/certificate/BB1111
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-BB1111
Issued December 7, 2025
Color data
HEX #BB1111
RGB 187 / 17 / 17
HSL 0° / 83% / 40%
CMYK 0 / 91 / 91 / 27
opencolors.org/certificate/BB1111
White text
6.56:1 · AA
Black text
3.20:1 · Fail
CSS
--sinoper-red: #BB1111;
Tailwind
bg-[#BB1111]
Token
{
"sinoper-red": {
"value": "#BB1111"
}
}