#c90021
a dark, electric red · warm · closest name: crimson
RGB
201, 0, 33
HSL
350°, 100%, 39%
CMYK
0, 100, 84, 21
Luminance
0.1253
Every format
| HEX | #c90021 |
| RGB | rgb(201, 0, 33) |
| HSL | hsl(350, 100%, 39%) |
| CMYK | cmyk(0%, 100%, 84%, 21%) |
| LAB | lab(42.0 67.4 42.7) |
| LCH | lch(42.0 79.8 32.3) |
| OKLCH | oklch(0.527 0.213 24.7) |
Copy-ready code
/* CSS */
color: #c90021;
background-color: #c90021;
/* Tailwind (arbitrary) */
class="text-[#c90021] bg-[#c90021]"
/* SCSS */
$brand: #c90021;
/* SwiftUI */
Color(red: 0.788, green: 0.000, blue: 0.129)
/* Android */
Color.parseColor("#c90021")Accessibility — WCAG contrast
Aa
#c90021 on white: 5.99:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#c90021 on black: 3.51:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red78.8%
Green0.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow83.6%
Key (black)21.2%
Color previews
#c90021 text on a black background
contrast 3.51:1
Card sample
#c90021 text on a white background
contrast 5.99:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c90021;
Background color
Panel with #c90021 background
background-color: #c90021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c90021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(201, 0, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(201, 0, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c90021; background: linear-gradient(135deg, #c90021, #C96500);