#a83721
a dark, vivid red · warm · closest name: firebrick
RGB
168, 55, 33
HSL
10°, 67%, 39%
CMYK
0, 67, 80, 34
Luminance
0.1117
Every format
| HEX | #a83721 |
| RGB | rgb(168, 55, 33) |
| HSL | hsl(10, 67%, 39%) |
| CMYK | cmyk(0%, 67%, 80%, 34%) |
| LAB | lab(39.9 45.2 38.3) |
| LCH | lch(39.9 59.3 40.3) |
| OKLCH | oklch(0.499 0.152 33.0) |
Copy-ready code
/* CSS */
color: #a83721;
background-color: #a83721;
/* Tailwind (arbitrary) */
class="text-[#a83721] bg-[#a83721]"
/* SCSS */
$brand: #a83721;
/* SwiftUI */
Color(red: 0.659, green: 0.216, blue: 0.129)
/* Android */
Color.parseColor("#a83721")Accessibility — WCAG contrast
Aa
#a83721 on white: 6.49:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#a83721 on black: 3.23:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red65.9%
Green21.6%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta67.3%
Yellow80.4%
Key (black)34.1%
Color previews
#a83721 text on a black background
contrast 3.23:1
Card sample
#a83721 text on a white background
contrast 6.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a83721;
Background color
Panel with #a83721 background
background-color: #a83721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a83721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(168, 55, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(168, 55, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a83721; background: linear-gradient(135deg, #a83721, #A89121);