#ad3e21
a dark, vivid red · warm · closest name: firebrick
RGB
173, 62, 33
HSL
12°, 68%, 40%
CMYK
0, 64, 81, 32
Luminance
0.1244
Every format
| HEX | #ad3e21 |
| RGB | rgb(173, 62, 33) |
| HSL | hsl(12, 68%, 40%) |
| CMYK | cmyk(0%, 64%, 81%, 32%) |
| LAB | lab(41.9 43.9 40.6) |
| LCH | lch(41.9 59.8 42.8) |
| OKLCH | oklch(0.516 0.151 35.4) |
Copy-ready code
/* CSS */
color: #ad3e21;
background-color: #ad3e21;
/* Tailwind (arbitrary) */
class="text-[#ad3e21] bg-[#ad3e21]"
/* SCSS */
$brand: #ad3e21;
/* SwiftUI */
Color(red: 0.678, green: 0.243, blue: 0.129)
/* Android */
Color.parseColor("#ad3e21")Accessibility — WCAG contrast
Aa
#ad3e21 on white: 6.02:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ad3e21 on black: 3.49:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.8%
Green24.3%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta64.2%
Yellow80.9%
Key (black)32.2%
Color previews
#ad3e21 text on a black background
contrast 3.49:1
Card sample
#ad3e21 text on a white background
contrast 6.02:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ad3e21;
Background color
Panel with #ad3e21 background
background-color: #ad3e21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ad3e21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(173, 62, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(173, 62, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ad3e21; background: linear-gradient(135deg, #ad3e21, #AD9B21);