#ad3421
a dark, vivid red · warm · closest name: firebrick
RGB
173, 52, 33
HSL
8°, 68%, 40%
CMYK
0, 70, 81, 32
Luminance
0.1145
Every format
| HEX | #ad3421 |
| RGB | rgb(173, 52, 33) |
| HSL | hsl(8, 68%, 40%) |
| CMYK | cmyk(0%, 70%, 81%, 32%) |
| LAB | lab(40.3 48.2 39.1) |
| LCH | lch(40.3 62.0 39.0) |
| OKLCH | oklch(0.504 0.161 31.7) |
Copy-ready code
/* CSS */
color: #ad3421;
background-color: #ad3421;
/* Tailwind (arbitrary) */
class="text-[#ad3421] bg-[#ad3421]"
/* SCSS */
$brand: #ad3421;
/* SwiftUI */
Color(red: 0.678, green: 0.204, blue: 0.129)
/* Android */
Color.parseColor("#ad3421")Accessibility — WCAG contrast
Aa
#ad3421 on white: 6.38:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ad3421 on black: 3.29:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.8%
Green20.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta69.9%
Yellow80.9%
Key (black)32.2%
Color previews
#ad3421 text on a black background
contrast 3.29:1
Card sample
#ad3421 text on a white background
contrast 6.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ad3421;
Background color
Panel with #ad3421 background
background-color: #ad3421;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ad3421;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(173, 52, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(173, 52, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ad3421; background: linear-gradient(135deg, #ad3421, #AD9121);