#ad2421
a dark, vivid red · warm · “firebrick”
RGB
173, 36, 33
HSL
1°, 68%, 40%
CMYK
0, 79, 81, 32
Luminance
0.1026
Every format
| HEX | #ad2421 |
| RGB | rgb(173, 36, 33) |
| HSL | hsl(1, 68%, 40%) |
| CMYK | cmyk(0%, 79%, 81%, 32%) |
| LAB | lab(38.3 53.8 37.1) |
| LCH | lch(38.3 65.3 34.6) |
| OKLCH | oklch(0.489 0.174 27.4) |
Copy-ready code
/* CSS */
color: #ad2421;
background-color: #ad2421;
/* Tailwind (arbitrary) */
class="text-[#ad2421] bg-[#ad2421]"
/* SCSS */
$brand: #ad2421;
/* SwiftUI */
Color(red: 0.678, green: 0.141, blue: 0.129)
/* Android */
Color.parseColor("#ad2421")Accessibility — WCAG contrast
Aa
#ad2421 on white: 6.88:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ad2421 on black: 3.05:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.8%
Green14.1%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta79.2%
Yellow80.9%
Key (black)32.2%
Color previews
#ad2421 text on a black background
contrast 3.05:1
Card sample
#ad2421 text on a white background
contrast 6.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ad2421;
Background color
Panel with #ad2421 background
background-color: #ad2421;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ad2421;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(173, 36, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(173, 36, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ad2421; background: linear-gradient(135deg, #ad2421, #AD8121);