#c43521
a dark, vivid red · warm · closest name: firebrick
RGB
196, 53, 33
HSL
7°, 71%, 45%
CMYK
0, 73, 83, 23
Luminance
0.1439
Every format
| HEX | #c43521 |
| RGB | rgb(196, 53, 33) |
| HSL | hsl(7, 71%, 45%) |
| CMYK | cmyk(0%, 73%, 83%, 23%) |
| LAB | lab(44.8 55.4 44.8) |
| LCH | lch(44.8 71.2 39.0) |
| OKLCH | oklch(0.545 0.183 31.2) |
Copy-ready code
/* CSS */
color: #c43521;
background-color: #c43521;
/* Tailwind (arbitrary) */
class="text-[#c43521] bg-[#c43521]"
/* SCSS */
$brand: #c43521;
/* SwiftUI */
Color(red: 0.769, green: 0.208, blue: 0.129)
/* Android */
Color.parseColor("#c43521")Accessibility — WCAG contrast
Aa
#c43521 on white: 5.41:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#c43521 on black: 3.88:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red76.9%
Green20.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta73.0%
Yellow83.2%
Key (black)23.1%
Color previews
#c43521 text on a black background
contrast 3.88:1
Card sample
#c43521 text on a white background
contrast 5.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c43521;
Background color
Panel with #c43521 background
background-color: #c43521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c43521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(196, 53, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(196, 53, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c43521; background: linear-gradient(135deg, #c43521, #C4A221);