#c51221
a dark, electric red · warm · closest name: firebrick
RGB
197, 18, 33
HSL
355°, 83%, 42%
CMYK
0, 91, 83, 23
Luminance
0.1241
Every format
| HEX | #c51221 |
| RGB | rgb(197, 18, 33) |
| HSL | hsl(355, 83%, 42%) |
| CMYK | cmyk(0%, 91%, 83%, 23%) |
| LAB | lab(41.9 64.5 42.2) |
| LCH | lch(41.9 77.0 33.2) |
| OKLCH | oklch(0.524 0.205 25.6) |
Copy-ready code
/* CSS */
color: #c51221;
background-color: #c51221;
/* Tailwind (arbitrary) */
class="text-[#c51221] bg-[#c51221]"
/* SCSS */
$brand: #c51221;
/* SwiftUI */
Color(red: 0.773, green: 0.071, blue: 0.129)
/* Android */
Color.parseColor("#c51221")Accessibility — WCAG contrast
Aa
#c51221 on white: 6.03:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#c51221 on black: 3.48:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red77.3%
Green7.1%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta90.9%
Yellow83.2%
Key (black)22.7%
Color previews
#c51221 text on a black background
contrast 3.48:1
Card sample
#c51221 text on a white background
contrast 6.03:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c51221;
Background color
Panel with #c51221 background
background-color: #c51221;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c51221;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(197, 18, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(197, 18, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c51221; background: linear-gradient(135deg, #c51221, #C57B12);