#aa1c21
a dark, vivid red · warm · closest name: firebrick
RGB
170, 28, 33
HSL
358°, 72%, 39%
CMYK
0, 84, 81, 33
Luminance
0.0949
Every format
| HEX | #aa1c21 |
| RGB | rgb(170, 28, 33) |
| HSL | hsl(358, 72%, 39%) |
| CMYK | cmyk(0%, 84%, 81%, 33%) |
| LAB | lab(36.9 55.1 35.5) |
| LCH | lch(36.9 65.5 32.7) |
| OKLCH | oklch(0.477 0.176 25.8) |
Copy-ready code
/* CSS */
color: #aa1c21;
background-color: #aa1c21;
/* Tailwind (arbitrary) */
class="text-[#aa1c21] bg-[#aa1c21]"
/* SCSS */
$brand: #aa1c21;
/* SwiftUI */
Color(red: 0.667, green: 0.110, blue: 0.129)
/* Android */
Color.parseColor("#aa1c21")Accessibility — WCAG contrast
Aa
#aa1c21 on white: 7.25:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#aa1c21 on black: 2.90:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red66.7%
Green11.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta83.5%
Yellow80.6%
Key (black)33.3%
Color previews
#aa1c21 text on a black background
contrast 2.90:1
Card sample
#aa1c21 text on a white background
contrast 7.25:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #aa1c21;
Background color
Panel with #aa1c21 background
background-color: #aa1c21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #aa1c21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(170, 28, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(170, 28, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #aa1c21; background: linear-gradient(135deg, #aa1c21, #AA761C);