Kokushoku Black
Registry ID
GCR-2025-171412
Issued December 7, 2025
Color data
HEX #171412
RGB 23 / 20 / 18
HSL 24° / 12% / 8%
CMYK 0 / 13 / 22 / 91
opencolors.org/certificate/171412
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-171412
Issued December 7, 2025
Color data
HEX #171412
RGB 23 / 20 / 18
HSL 24° / 12% / 8%
CMYK 0 / 13 / 22 / 91
opencolors.org/certificate/171412
White text
18.34:1 · AAA
Black text
1.15:1 · Fail
CSS
--kokushoku-black: #171412;
Tailwind
bg-[#171412]
Token
{
"kokushoku-black": {
"value": "#171412"
}
}