#ad1a21
a dark, vivid red · warm · “firebrick”
RGB
173, 26, 33
HSL
357°, 74%, 39%
CMYK
0, 85, 81, 32
Luminance
0.0973
Every format
| HEX | #ad1a21 |
| RGB | rgb(173, 26, 33) |
| HSL | hsl(357, 74%, 39%) |
| CMYK | cmyk(0%, 85%, 81%, 32%) |
| LAB | lab(37.4 56.5 36.1) |
| LCH | lch(37.4 67.0 32.6) |
| OKLCH | oklch(0.482 0.180 25.6) |
Copy-ready code
/* CSS */
color: #ad1a21;
background-color: #ad1a21;
/* Tailwind (arbitrary) */
class="text-[#ad1a21] bg-[#ad1a21]"
/* SCSS */
$brand: #ad1a21;
/* SwiftUI */
Color(red: 0.678, green: 0.102, blue: 0.129)
/* Android */
Color.parseColor("#ad1a21")Accessibility — WCAG contrast
Aa
#ad1a21 on white: 7.13:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#ad1a21 on black: 2.95:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.8%
Green10.2%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta85.0%
Yellow80.9%
Key (black)32.2%
Color previews
#ad1a21 text on a black background
contrast 2.95:1
Card sample
#ad1a21 text on a white background
contrast 7.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ad1a21;
Background color
Panel with #ad1a21 background
background-color: #ad1a21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ad1a21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(173, 26, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(173, 26, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ad1a21; background: linear-gradient(135deg, #ad1a21, #AD751A);