#cb3521
a balanced, vivid red · warm · closest name: firebrick
RGB
203, 53, 33
HSL
7°, 72%, 46%
CMYK
0, 74, 84, 20
Luminance
0.1535
Every format
| HEX | #cb3521 |
| RGB | rgb(203, 53, 33) |
| HSL | hsl(7, 72%, 46%) |
| CMYK | cmyk(0%, 74%, 84%, 20%) |
| LAB | lab(46.1 57.6 46.5) |
| LCH | lch(46.1 74.0 38.9) |
| OKLCH | oklch(0.558 0.190 31.0) |
Copy-ready code
/* CSS */
color: #cb3521;
background-color: #cb3521;
/* Tailwind (arbitrary) */
class="text-[#cb3521] bg-[#cb3521]"
/* SCSS */
$brand: #cb3521;
/* SwiftUI */
Color(red: 0.796, green: 0.208, blue: 0.129)
/* Android */
Color.parseColor("#cb3521")Accessibility — WCAG contrast
Aa
#cb3521 on white: 5.16:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#cb3521 on black: 4.07:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red79.6%
Green20.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta73.9%
Yellow83.7%
Key (black)20.4%
Color previews
#cb3521 text on a black background
contrast 4.07:1
Card sample
#cb3521 text on a white background
contrast 5.16:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cb3521;
Background color
Panel with #cb3521 background
background-color: #cb3521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cb3521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(203, 53, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(203, 53, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cb3521; background: linear-gradient(135deg, #cb3521, #CBA721);