Rust Effect
Registry ID
GCR-2025-BB3344
Issued December 7, 2025
Color data
HEX #BB3344
RGB 187 / 51 / 68
HSL 353° / 57% / 47%
CMYK 0 / 73 / 64 / 27
opencolors.org/certificate/BB3344
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-BB3344
Issued December 7, 2025
Color data
HEX #BB3344
RGB 187 / 51 / 68
HSL 353° / 57% / 47%
CMYK 0 / 73 / 64 / 27
opencolors.org/certificate/BB3344
White text
5.72:1 · AA
Black text
3.67:1 · Fail
CSS
--rust-effect: #BB3344;
Tailwind
bg-[#BB3344]
Token
{
"rust-effect": {
"value": "#BB3344"
}
}