#a43721
a dark, vivid red · warm · closest name: firebrick
RGB
164, 55, 33
HSL
10°, 67%, 39%
CMYK
0, 67, 80, 36
Luminance
0.1073
Every format
| HEX | #a43721 |
| RGB | rgb(164, 55, 33) |
| HSL | hsl(10, 67%, 39%) |
| CMYK | cmyk(0%, 67%, 80%, 36%) |
| LAB | lab(39.1 43.8 37.3) |
| LCH | lch(39.1 57.5 40.4) |
| OKLCH | oklch(0.492 0.148 33.3) |
Copy-ready code
/* CSS */
color: #a43721;
background-color: #a43721;
/* Tailwind (arbitrary) */
class="text-[#a43721] bg-[#a43721]"
/* SCSS */
$brand: #a43721;
/* SwiftUI */
Color(red: 0.643, green: 0.216, blue: 0.129)
/* Android */
Color.parseColor("#a43721")Accessibility — WCAG contrast
Aa
#a43721 on white: 6.67:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#a43721 on black: 3.15:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red64.3%
Green21.6%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta66.5%
Yellow79.9%
Key (black)35.7%
Color previews
#a43721 text on a black background
contrast 3.15:1
Card sample
#a43721 text on a white background
contrast 6.67:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a43721;
Background color
Panel with #a43721 background
background-color: #a43721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a43721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(164, 55, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(164, 55, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a43721; background: linear-gradient(135deg, #a43721, #A48E21);