#aa3521
a dark, vivid red · warm · closest name: firebrick
RGB
170, 53, 33
HSL
9°, 68%, 40%
CMYK
0, 69, 81, 33
Luminance
0.1120
Every format
| HEX | #aa3521 |
| RGB | rgb(170, 53, 33) |
| HSL | hsl(9, 68%, 40%) |
| CMYK | cmyk(0%, 69%, 81%, 33%) |
| LAB | lab(39.9 46.8 38.5) |
| LCH | lch(39.9 60.6 39.5) |
| OKLCH | oklch(0.500 0.156 32.2) |
Copy-ready code
/* CSS */
color: #aa3521;
background-color: #aa3521;
/* Tailwind (arbitrary) */
class="text-[#aa3521] bg-[#aa3521]"
/* SCSS */
$brand: #aa3521;
/* SwiftUI */
Color(red: 0.667, green: 0.208, blue: 0.129)
/* Android */
Color.parseColor("#aa3521")Accessibility — WCAG contrast
Aa
#aa3521 on white: 6.48:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#aa3521 on black: 3.24:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red66.7%
Green20.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta68.8%
Yellow80.6%
Key (black)33.3%
Color previews
#aa3521 text on a black background
contrast 3.24:1
Card sample
#aa3521 text on a white background
contrast 6.48:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #aa3521;
Background color
Panel with #aa3521 background
background-color: #aa3521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #aa3521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(170, 53, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(170, 53, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #aa3521; background: linear-gradient(135deg, #aa3521, #AA9021);