#cb3721
a balanced, vivid red · warm · closest name: firebrick
RGB
203, 55, 33
HSL
8°, 72%, 46%
CMYK
0, 73, 84, 20
Luminance
0.1554
Every format
| HEX | #cb3721 |
| RGB | rgb(203, 55, 33) |
| HSL | hsl(8, 72%, 46%) |
| CMYK | cmyk(0%, 73%, 84%, 20%) |
| LAB | lab(46.4 56.9 46.8) |
| LCH | lch(46.4 73.6 39.4) |
| OKLCH | oklch(0.559 0.188 31.5) |
Copy-ready code
/* CSS */
color: #cb3721;
background-color: #cb3721;
/* Tailwind (arbitrary) */
class="text-[#cb3721] bg-[#cb3721]"
/* SCSS */
$brand: #cb3721;
/* SwiftUI */
Color(red: 0.796, green: 0.216, blue: 0.129)
/* Android */
Color.parseColor("#cb3721")Accessibility — WCAG contrast
Aa
#cb3721 on white: 5.11:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#cb3721 on black: 4.11:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red79.6%
Green21.6%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta72.9%
Yellow83.7%
Key (black)20.4%
Color previews
#cb3721 text on a black background
contrast 4.11:1
Card sample
#cb3721 text on a white background
contrast 5.11:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cb3721;
Background color
Panel with #cb3721 background
background-color: #cb3721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cb3721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(203, 55, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(203, 55, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cb3721; background: linear-gradient(135deg, #cb3721, #CBA921);