#aa1111
a dark, electric red · warm · closest name: firebrick
RGB
170, 17, 17
HSL
0°, 82%, 37%
CMYK
0, 90, 90, 33
Luminance
0.0899
Every format
| HEX | #aa1111 |
| RGB | rgb(170, 17, 17) |
| HSL | hsl(0, 82%, 37%) |
| CMYK | cmyk(0%, 90%, 90%, 33%) |
| LAB | lab(36.0 57.1 43.0) |
| LCH | lch(36.0 71.5 37.0) |
| OKLCH | oklch(0.470 0.183 28.2) |
Copy-ready code
/* CSS */
color: #aa1111;
background-color: #aa1111;
/* Tailwind (arbitrary) */
class="text-[#aa1111] bg-[#aa1111]"
/* SCSS */
$brand: #aa1111;
/* SwiftUI */
Color(red: 0.667, green: 0.067, blue: 0.067)
/* Android */
Color.parseColor("#aa1111")Accessibility — WCAG contrast
Aa
#aa1111 on white: 7.51:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#aa1111 on black: 2.80:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red66.7%
Green6.7%
Blue6.7%
CMYK percentages
Cyan0.0%
Magenta90.0%
Yellow90.0%
Key (black)33.3%
Color previews
#aa1111 text on a black background
contrast 2.80:1
Card sample
#aa1111 text on a white background
contrast 7.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #aa1111;
Background color
Panel with #aa1111 background
background-color: #aa1111;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #aa1111;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(170, 17, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(170, 17, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #aa1111; background: linear-gradient(135deg, #aa1111, #AA7711);