#dd0021
a dark, electric red · warm · closest name: crimson
RGB
221, 0, 33
HSL
351°, 100%, 43%
CMYK
0, 100, 85, 13
Luminance
0.1548
Every format
| HEX | #dd0021 |
| RGB | rgb(221, 0, 33) |
| HSL | hsl(351, 100%, 43%) |
| CMYK | cmyk(0%, 100%, 85%, 13%) |
| LAB | lab(46.3 72.3 48.1) |
| LCH | lch(46.3 86.8 33.6) |
| OKLCH | oklch(0.565 0.229 25.6) |
Copy-ready code
/* CSS */
color: #dd0021;
background-color: #dd0021;
/* Tailwind (arbitrary) */
class="text-[#dd0021] bg-[#dd0021]"
/* SCSS */
$brand: #dd0021;
/* SwiftUI */
Color(red: 0.867, green: 0.000, blue: 0.129)
/* Android */
Color.parseColor("#dd0021")Accessibility — WCAG contrast
Aa
#dd0021 on white: 5.13:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#dd0021 on black: 4.10:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red86.7%
Green0.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow85.1%
Key (black)13.3%
Color previews
#dd0021 text on a black background
contrast 4.10:1
Card sample
#dd0021 text on a white background
contrast 5.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #dd0021;
Background color
Panel with #dd0021 background
background-color: #dd0021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #dd0021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(221, 0, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(221, 0, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #dd0021; background: linear-gradient(135deg, #dd0021, #DD7200);