#a43921
a dark, vivid red · warm · closest name: firebrick
RGB
164, 57, 33
HSL
11°, 67%, 39%
CMYK
0, 65, 80, 36
Luminance
0.1093
Every format
| HEX | #a43921 |
| RGB | rgb(164, 57, 33) |
| HSL | hsl(11, 67%, 39%) |
| CMYK | cmyk(0%, 65%, 80%, 36%) |
| LAB | lab(39.5 42.9 37.7) |
| LCH | lch(39.5 57.1 41.3) |
| OKLCH | oklch(0.494 0.146 34.1) |
Copy-ready code
/* CSS */
color: #a43921;
background-color: #a43921;
/* Tailwind (arbitrary) */
class="text-[#a43921] bg-[#a43921]"
/* SCSS */
$brand: #a43921;
/* SwiftUI */
Color(red: 0.643, green: 0.224, blue: 0.129)
/* Android */
Color.parseColor("#a43921")Accessibility — WCAG contrast
Aa
#a43921 on white: 6.59:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#a43921 on black: 3.19:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red64.3%
Green22.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta65.2%
Yellow79.9%
Key (black)35.7%
Color previews
#a43921 text on a black background
contrast 3.19:1
Card sample
#a43921 text on a white background
contrast 6.59:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a43921;
Background color
Panel with #a43921 background
background-color: #a43921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a43921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(164, 57, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(164, 57, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a43921; background: linear-gradient(135deg, #a43921, #A49021);