#AD181F
Closest to "firebrick" · rgb(173, 24, 31)
Color codes
Shades & tints
About #AD181F
#AD181F is a color with red 173, green 24 and blue 31 (on a 0–255 scale). In HSL it sits at a hue of 357°, 76% saturation and 39% lightness. For print, its CMYK breakdown is cmyk(0%, 86%, 82%, 32%). The closest named CSS color is firebrick. Use the swatches above to step through lighter tints and darker shades — each opens its own page with full codes you can copy in one click.