#cf1521
a dark, electric red · warm · closest name: crimson
RGB
207, 21, 33
HSL
356°, 82%, 45%
CMYK
0, 90, 84, 19
Luminance
0.1391
Every format
| HEX | #cf1521 |
| RGB | rgb(207, 21, 33) |
| HSL | hsl(356, 82%, 45%) |
| CMYK | cmyk(0%, 90%, 84%, 19%) |
| LAB | lab(44.1 66.6 45.0) |
| LCH | lch(44.1 80.4 34.1) |
| OKLCH | oklch(0.544 0.212 26.2) |
Copy-ready code
/* CSS */
color: #cf1521;
background-color: #cf1521;
/* Tailwind (arbitrary) */
class="text-[#cf1521] bg-[#cf1521]"
/* SCSS */
$brand: #cf1521;
/* SwiftUI */
Color(red: 0.812, green: 0.082, blue: 0.129)
/* Android */
Color.parseColor("#cf1521")Accessibility — WCAG contrast
Aa
#cf1521 on white: 5.55:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#cf1521 on black: 3.78:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red81.2%
Green8.2%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta89.9%
Yellow84.1%
Key (black)18.8%
Color previews
#cf1521 text on a black background
contrast 3.78:1
Card sample
#cf1521 text on a white background
contrast 5.55:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cf1521;
Background color
Panel with #cf1521 background
background-color: #cf1521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cf1521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(207, 21, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(207, 21, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cf1521; background: linear-gradient(135deg, #cf1521, #CF8515);