#d42721
a balanced, vivid red · warm · closest name: firebrick
RGB
212, 39, 33
HSL
2°, 73%, 48%
CMYK
0, 82, 84, 17
Luminance
0.1556
Every format
| HEX | #d42721 |
| RGB | rgb(212, 39, 33) |
| HSL | hsl(2, 73%, 48%) |
| CMYK | cmyk(0%, 82%, 84%, 17%) |
| LAB | lab(46.4 64.4 47.4) |
| LCH | lch(46.4 80.0 36.4) |
| OKLCH | oklch(0.563 0.208 28.4) |
Copy-ready code
/* CSS */
color: #d42721;
background-color: #d42721;
/* Tailwind (arbitrary) */
class="text-[#d42721] bg-[#d42721]"
/* SCSS */
$brand: #d42721;
/* SwiftUI */
Color(red: 0.831, green: 0.153, blue: 0.129)
/* Android */
Color.parseColor("#d42721")Accessibility — WCAG contrast
Aa
#d42721 on white: 5.11:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#d42721 on black: 4.11:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red83.1%
Green15.3%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta81.6%
Yellow84.4%
Key (black)16.9%
Color previews
#d42721 text on a black background
contrast 4.11:1
Card sample
#d42721 text on a white background
contrast 5.11:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #d42721;
Background color
Panel with #d42721 background
background-color: #d42721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #d42721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(212, 39, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(212, 39, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #d42721; background: linear-gradient(135deg, #d42721, #D49E21);