#ad2721
a dark, vivid red · warm · closest name: firebrick
RGB
173, 39, 33
HSL
3°, 68%, 40%
CMYK
0, 78, 81, 32
Luminance
0.1045
Every format
| HEX | #ad2721 |
| RGB | rgb(173, 39, 33) |
| HSL | hsl(3, 68%, 40%) |
| CMYK | cmyk(0%, 78%, 81%, 32%) |
| LAB | lab(38.6 52.9 37.4) |
| LCH | lch(38.6 64.8 35.3) |
| OKLCH | oklch(0.491 0.171 28.1) |
Copy-ready code
/* CSS */
color: #ad2721;
background-color: #ad2721;
/* Tailwind (arbitrary) */
class="text-[#ad2721] bg-[#ad2721]"
/* SCSS */
$brand: #ad2721;
/* SwiftUI */
Color(red: 0.678, green: 0.153, blue: 0.129)
/* Android */
Color.parseColor("#ad2721")Accessibility — WCAG contrast
Aa
#ad2721 on white: 6.80:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ad2721 on black: 3.09:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.8%
Green15.3%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta77.5%
Yellow80.9%
Key (black)32.2%
Color previews
#ad2721 text on a black background
contrast 3.09:1
Card sample
#ad2721 text on a white background
contrast 6.80:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ad2721;
Background color
Panel with #ad2721 background
background-color: #ad2721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ad2721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(173, 39, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(173, 39, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ad2721; background: linear-gradient(135deg, #ad2721, #AD8421);