#c91721
a dark, electric red · warm · closest name: firebrick
RGB
201, 23, 33
HSL
357°, 80%, 44%
CMYK
0, 89, 84, 21
Luminance
0.1314
Every format
| HEX | #c91721 |
| RGB | rgb(201, 23, 33) |
| HSL | hsl(357, 80%, 44%) |
| CMYK | cmyk(0%, 89%, 84%, 21%) |
| LAB | lab(43.0 64.7 43.5) |
| LCH | lch(43.0 78.0 33.9) |
| OKLCH | oklch(0.534 0.207 26.2) |
Copy-ready code
/* CSS */
color: #c91721;
background-color: #c91721;
/* Tailwind (arbitrary) */
class="text-[#c91721] bg-[#c91721]"
/* SCSS */
$brand: #c91721;
/* SwiftUI */
Color(red: 0.788, green: 0.090, blue: 0.129)
/* Android */
Color.parseColor("#c91721")Accessibility — WCAG contrast
Aa
#c91721 on white: 5.79:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#c91721 on black: 3.63:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red78.8%
Green9.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta88.6%
Yellow83.6%
Key (black)21.2%
Color previews
#c91721 text on a black background
contrast 3.63:1
Card sample
#c91721 text on a white background
contrast 5.79:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c91721;
Background color
Panel with #c91721 background
background-color: #c91721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c91721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(201, 23, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(201, 23, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c91721; background: linear-gradient(135deg, #c91721, #C98417);