#c40021
a dark, electric red · warm · closest name: crimson
RGB
196, 0, 33
HSL
350°, 100%, 38%
CMYK
0, 100, 83, 23
Luminance
0.1185
Every format
| HEX | #c40021 |
| RGB | rgb(196, 0, 33) |
| HSL | hsl(350, 100%, 38%) |
| CMYK | cmyk(0%, 100%, 83%, 23%) |
| LAB | lab(41.0 66.2 41.3) |
| LCH | lch(41.0 78.0 32.0) |
| OKLCH | oklch(0.517 0.209 24.5) |
Copy-ready code
/* CSS */
color: #c40021;
background-color: #c40021;
/* Tailwind (arbitrary) */
class="text-[#c40021] bg-[#c40021]"
/* SCSS */
$brand: #c40021;
/* SwiftUI */
Color(red: 0.769, green: 0.000, blue: 0.129)
/* Android */
Color.parseColor("#c40021")Accessibility — WCAG contrast
Aa
#c40021 on white: 6.23:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#c40021 on black: 3.37:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red76.9%
Green0.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow83.2%
Key (black)23.1%
Color previews
#c40021 text on a black background
contrast 3.37:1
Card sample
#c40021 text on a white background
contrast 6.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c40021;
Background color
Panel with #c40021 background
background-color: #c40021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c40021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(196, 0, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(196, 0, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c40021; background: linear-gradient(135deg, #c40021, #C46200);