#cf0021
a dark, electric red · warm · closest name: crimson
RGB
207, 0, 33
HSL
350°, 100%, 41%
CMYK
0, 100, 84, 19
Luminance
0.1338
Every format
| HEX | #cf0021 |
| RGB | rgb(207, 0, 33) |
| HSL | hsl(350, 100%, 41%) |
| CMYK | cmyk(0%, 100%, 84%, 19%) |
| LAB | lab(43.3 68.9 44.3) |
| LCH | lch(43.3 81.9 32.8) |
| OKLCH | oklch(0.538 0.218 25.0) |
Copy-ready code
/* CSS */
color: #cf0021;
background-color: #cf0021;
/* Tailwind (arbitrary) */
class="text-[#cf0021] bg-[#cf0021]"
/* SCSS */
$brand: #cf0021;
/* SwiftUI */
Color(red: 0.812, green: 0.000, blue: 0.129)
/* Android */
Color.parseColor("#cf0021")Accessibility — WCAG contrast
Aa
#cf0021 on white: 5.71:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#cf0021 on black: 3.68:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red81.2%
Green0.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow84.1%
Key (black)18.8%
Color previews
#cf0021 text on a black background
contrast 3.68:1
Card sample
#cf0021 text on a white background
contrast 5.71:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cf0021;
Background color
Panel with #cf0021 background
background-color: #cf0021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cf0021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(207, 0, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(207, 0, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cf0021; background: linear-gradient(135deg, #cf0021, #CF6900);