#c43b21
a dark, vivid red · warm · closest name: firebrick
RGB
196, 59, 33
HSL
10°, 71%, 45%
CMYK
0, 70, 83, 23
Luminance
0.1497
Every format
| HEX | #c43b21 |
| RGB | rgb(196, 59, 33) |
| HSL | hsl(10, 71%, 45%) |
| CMYK | cmyk(0%, 70%, 83%, 23%) |
| LAB | lab(45.6 53.1 45.6) |
| LCH | lch(45.6 70.0 40.6) |
| OKLCH | oklch(0.551 0.178 32.8) |
Copy-ready code
/* CSS */
color: #c43b21;
background-color: #c43b21;
/* Tailwind (arbitrary) */
class="text-[#c43b21] bg-[#c43b21]"
/* SCSS */
$brand: #c43b21;
/* SwiftUI */
Color(red: 0.769, green: 0.231, blue: 0.129)
/* Android */
Color.parseColor("#c43b21")Accessibility — WCAG contrast
Aa
#c43b21 on white: 5.26:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#c43b21 on black: 3.99:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red76.9%
Green23.1%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta69.9%
Yellow83.2%
Key (black)23.1%
Color previews
#c43b21 text on a black background
contrast 3.99:1
Card sample
#c43b21 text on a white background
contrast 5.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c43b21;
Background color
Panel with #c43b21 background
background-color: #c43b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c43b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(196, 59, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(196, 59, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c43b21; background: linear-gradient(135deg, #c43b21, #C4A821);