#dd2521
a balanced, vivid red · warm · closest name: crimson
RGB
221, 37, 33
HSL
1°, 74%, 50%
CMYK
0, 83, 85, 13
Luminance
0.1681
Every format
| HEX | #dd2521 |
| RGB | rgb(221, 37, 33) |
| HSL | hsl(1, 74%, 50%) |
| CMYK | cmyk(0%, 83%, 85%, 13%) |
| LAB | lab(48.0 67.3 49.5) |
| LCH | lch(48.0 83.6 36.4) |
| OKLCH | oklch(0.578 0.217 28.2) |
Copy-ready code
/* CSS */
color: #dd2521;
background-color: #dd2521;
/* Tailwind (arbitrary) */
class="text-[#dd2521] bg-[#dd2521]"
/* SCSS */
$brand: #dd2521;
/* SwiftUI */
Color(red: 0.867, green: 0.145, blue: 0.129)
/* Android */
Color.parseColor("#dd2521")Accessibility — WCAG contrast
Aa
#dd2521 on white: 4.82:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#dd2521 on black: 4.36:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red86.7%
Green14.5%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta83.3%
Yellow85.1%
Key (black)13.3%
Color previews
#dd2521 text on a black background
contrast 4.36:1
Card sample
#dd2521 text on a white background
contrast 4.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #dd2521;
Background color
Panel with #dd2521 background
background-color: #dd2521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #dd2521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(221, 37, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(221, 37, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #dd2521; background: linear-gradient(135deg, #dd2521, #DDA221);