#ad331f
a dark, vivid red · warm · closest name: firebrick
RGB
173, 51, 31
HSL
9°, 70%, 40%
CMYK
0, 71, 82, 32
Luminance
0.1135
Every format
| HEX | #ad331f |
| RGB | rgb(173, 51, 31) |
| HSL | hsl(9, 70%, 40%) |
| CMYK | cmyk(0%, 71%, 82%, 32%) |
| LAB | lab(40.2 48.5 40.0) |
| LCH | lch(40.2 62.9 39.5) |
| OKLCH | oklch(0.503 0.162 32.0) |
Copy-ready code
/* CSS */
color: #ad331f;
background-color: #ad331f;
/* Tailwind (arbitrary) */
class="text-[#ad331f] bg-[#ad331f]"
/* SCSS */
$brand: #ad331f;
/* SwiftUI */
Color(red: 0.678, green: 0.200, blue: 0.122)
/* Android */
Color.parseColor("#ad331f")Accessibility — WCAG contrast
Aa
#ad331f on white: 6.42:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ad331f on black: 3.27:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.8%
Green20.0%
Blue12.2%
CMYK percentages
Cyan0.0%
Magenta70.5%
Yellow82.1%
Key (black)32.2%
Color previews
#ad331f text on a black background
contrast 3.27:1
Card sample
#ad331f text on a white background
contrast 6.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ad331f;
Background color
Panel with #ad331f background
background-color: #ad331f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ad331f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(173, 51, 31, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(173, 51, 31, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ad331f; background: linear-gradient(135deg, #ad331f, #AD921F);