#aa2521
a dark, vivid red · warm · closest name: firebrick
RGB
170, 37, 33
HSL
2°, 68%, 40%
CMYK
0, 78, 81, 33
Luminance
0.0998
Every format
| HEX | #aa2521 |
| RGB | rgb(170, 37, 33) |
| HSL | hsl(2, 68%, 40%) |
| CMYK | cmyk(0%, 78%, 81%, 33%) |
| LAB | lab(37.8 52.6 36.4) |
| LCH | lch(37.8 64.0 34.7) |
| OKLCH | oklch(0.484 0.170 27.6) |
Copy-ready code
/* CSS */
color: #aa2521;
background-color: #aa2521;
/* Tailwind (arbitrary) */
class="text-[#aa2521] bg-[#aa2521]"
/* SCSS */
$brand: #aa2521;
/* SwiftUI */
Color(red: 0.667, green: 0.145, blue: 0.129)
/* Android */
Color.parseColor("#aa2521")Accessibility — WCAG contrast
Aa
#aa2521 on white: 7.01:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#aa2521 on black: 3.00:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red66.7%
Green14.5%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta78.2%
Yellow80.6%
Key (black)33.3%
Color previews
#aa2521 text on a black background
contrast 3.00:1
Card sample
#aa2521 text on a white background
contrast 7.01:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #aa2521;
Background color
Panel with #aa2521 background
background-color: #aa2521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #aa2521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(170, 37, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(170, 37, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #aa2521; background: linear-gradient(135deg, #aa2521, #AA8021);