Tamahagane
Registry ID
GCR-2025-3B3F40
Issued December 7, 2025
Color data
HEX #3B3F40
RGB 59 / 63 / 64
HSL 192° / 4% / 24%
CMYK 8 / 2 / 0 / 75
opencolors.org/certificate/3B3F40
The registry ID is GCR, the year the color was named, and its hex.
Registry ID
GCR-2025-3B3F40
Issued December 7, 2025
Color data
HEX #3B3F40
RGB 59 / 63 / 64
HSL 192° / 4% / 24%
CMYK 8 / 2 / 0 / 75
opencolors.org/certificate/3B3F40
White text
10.65:1 · AAA
Black text
1.97:1 · Fail
CSS
--tamahagane: #3B3F40;
Tailwind
bg-[#3B3F40]
Token
{
"tamahagane": {
"value": "#3B3F40"
}
}