#cf0521
a dark, electric red · warm · closest name: crimson
RGB
207, 5, 33
HSL
352°, 95%, 42%
CMYK
0, 98, 84, 19
Luminance
0.1348
Every format
| HEX | #cf0521 |
| RGB | rgb(207, 5, 33) |
| HSL | hsl(352, 95%, 42%) |
| CMYK | cmyk(0%, 98%, 84%, 19%) |
| LAB | lab(43.5 68.4 44.5) |
| LCH | lch(43.5 81.6 33.0) |
| OKLCH | oklch(0.539 0.217 25.3) |
Copy-ready code
/* CSS */
color: #cf0521;
background-color: #cf0521;
/* Tailwind (arbitrary) */
class="text-[#cf0521] bg-[#cf0521]"
/* SCSS */
$brand: #cf0521;
/* SwiftUI */
Color(red: 0.812, green: 0.020, blue: 0.129)
/* Android */
Color.parseColor("#cf0521")Accessibility — WCAG contrast
Aa
#cf0521 on white: 5.68:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#cf0521 on black: 3.70:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red81.2%
Green2.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta97.6%
Yellow84.1%
Key (black)18.8%
Color previews
#cf0521 text on a black background
contrast 3.70:1
Card sample
#cf0521 text on a white background
contrast 5.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cf0521;
Background color
Panel with #cf0521 background
background-color: #cf0521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cf0521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(207, 5, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(207, 5, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cf0521; background: linear-gradient(135deg, #cf0521, #CF7005);