#dd3333
a balanced, vivid red · warm · closest name: crimson
RGB
221, 51, 51
HSL
0°, 71%, 53%
CMYK
0, 77, 77, 13
Luminance
0.1798
Every format
| HEX | #dd3333 |
| RGB | rgb(221, 51, 51) |
| HSL | hsl(0, 71%, 53%) |
| CMYK | cmyk(0%, 77%, 77%, 13%) |
| LAB | lab(49.5 64.2 41.6) |
| LCH | lch(49.5 76.5 32.9) |
| OKLCH | oklch(0.589 0.206 26.3) |
Copy-ready code
/* CSS */
color: #dd3333;
background-color: #dd3333;
/* Tailwind (arbitrary) */
class="text-[#dd3333] bg-[#dd3333]"
/* SCSS */
$brand: #dd3333;
/* SwiftUI */
Color(red: 0.867, green: 0.200, blue: 0.200)
/* Android */
Color.parseColor("#dd3333")Accessibility — WCAG contrast
Aa
#dd3333 on white: 4.57:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#dd3333 on black: 4.60:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red86.7%
Green20.0%
Blue20.0%
CMYK percentages
Cyan0.0%
Magenta76.9%
Yellow76.9%
Key (black)13.3%
Color previews
#dd3333 text on a black background
contrast 4.60:1
Card sample
#dd3333 text on a white background
contrast 4.57:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #dd3333;
Background color
Panel with #dd3333 background
background-color: #dd3333;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #dd3333;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(221, 51, 51, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(221, 51, 51, 0.45);
Border & gradient
Gradient panel
border: 3px solid #dd3333; background: linear-gradient(135deg, #dd3333, #DDA433);