#ac331d
a dark, vivid red · warm · closest name: firebrick
RGB
172, 51, 29
HSL
9°, 71%, 39%
CMYK
0, 70, 83, 33
Luminance
0.1123
Every format
| HEX | #ac331d |
| RGB | rgb(172, 51, 29) |
| HSL | hsl(9, 71%, 39%) |
| CMYK | cmyk(0%, 70%, 83%, 33%) |
| LAB | lab(40.0 48.1 40.7) |
| LCH | lch(40.0 63.0 40.2) |
| OKLCH | oklch(0.501 0.161 32.6) |
Copy-ready code
/* CSS */
color: #ac331d;
background-color: #ac331d;
/* Tailwind (arbitrary) */
class="text-[#ac331d] bg-[#ac331d]"
/* SCSS */
$brand: #ac331d;
/* SwiftUI */
Color(red: 0.675, green: 0.200, blue: 0.114)
/* Android */
Color.parseColor("#ac331d")Accessibility — WCAG contrast
Aa
#ac331d on white: 6.47:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ac331d on black: 3.25:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green20.0%
Blue11.4%
CMYK percentages
Cyan0.0%
Magenta70.3%
Yellow83.1%
Key (black)32.5%
Color previews
#ac331d text on a black background
contrast 3.25:1
Card sample
#ac331d text on a white background
contrast 6.47:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac331d;
Background color
Panel with #ac331d background
background-color: #ac331d;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac331d;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 51, 29, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 51, 29, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac331d; background: linear-gradient(135deg, #ac331d, #AC921D);