Matt Black
Registry ID
GCR-2025-151515
Issued December 7, 2025
Color data
HEX #151515
RGB 21 / 21 / 21
HSL 0° / 0% / 8%
CMYK 0 / 0 / 0 / 92
opencolors.org/certificate/151515
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-151515
Issued December 7, 2025
Color data
HEX #151515
RGB 21 / 21 / 21
HSL 0° / 0% / 8%
CMYK 0 / 0 / 0 / 92
opencolors.org/certificate/151515
White text
18.26:1 · AAA
Black text
1.15:1 · Fail
CSS
--matt-black: #151515;
Tailwind
bg-[#151515]
Token
{
"matt-black": {
"value": "#151515"
}
}