#c42b21
a dark, vivid red · warm · closest name: firebrick
RGB
196, 43, 33
HSL
4°, 71%, 45%
CMYK
0, 78, 83, 23
Luminance
0.1357
Every format
| HEX | #c42b21 |
| RGB | rgb(196, 43, 33) |
| HSL | hsl(4, 71%, 45%) |
| CMYK | cmyk(0%, 78%, 83%, 23%) |
| LAB | lab(43.6 58.6 43.8) |
| LCH | lch(43.6 73.2 36.7) |
| OKLCH | oklch(0.537 0.191 29.0) |
Copy-ready code
/* CSS */
color: #c42b21;
background-color: #c42b21;
/* Tailwind (arbitrary) */
class="text-[#c42b21] bg-[#c42b21]"
/* SCSS */
$brand: #c42b21;
/* SwiftUI */
Color(red: 0.769, green: 0.169, blue: 0.129)
/* Android */
Color.parseColor("#c42b21")Accessibility — WCAG contrast
Aa
#c42b21 on white: 5.65:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#c42b21 on black: 3.71:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red76.9%
Green16.9%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta78.1%
Yellow83.2%
Key (black)23.1%
Color previews
#c42b21 text on a black background
contrast 3.71:1
Card sample
#c42b21 text on a white background
contrast 5.65:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c42b21;
Background color
Panel with #c42b21 background
background-color: #c42b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c42b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(196, 43, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(196, 43, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c42b21; background: linear-gradient(135deg, #c42b21, #C49821);