#aa2233
a dark, vivid red · warm · closest name: firebrick
RGB
170, 34, 51
HSL
353°, 67%, 40%
CMYK
0, 80, 70, 33
Luminance
0.0993
Every format
| HEX | #aa2233 |
| RGB | rgb(170, 34, 51) |
| HSL | hsl(353, 67%, 40%) |
| CMYK | cmyk(0%, 80%, 70%, 33%) |
| LAB | lab(37.7 54.2 25.5) |
| LCH | lch(37.7 59.9 25.2) |
| OKLCH | oklch(0.484 0.171 20.4) |
Copy-ready code
/* CSS */
color: #aa2233;
background-color: #aa2233;
/* Tailwind (arbitrary) */
class="text-[#aa2233] bg-[#aa2233]"
/* SCSS */
$brand: #aa2233;
/* SwiftUI */
Color(red: 0.667, green: 0.133, blue: 0.200)
/* Android */
Color.parseColor("#aa2233")Accessibility — WCAG contrast
Aa
#aa2233 on white: 7.03:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#aa2233 on black: 2.99:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red66.7%
Green13.3%
Blue20.0%
CMYK percentages
Cyan0.0%
Magenta80.0%
Yellow70.0%
Key (black)33.3%
Color previews
#aa2233 text on a black background
contrast 2.99:1
Card sample
#aa2233 text on a white background
contrast 7.03:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #aa2233;
Background color
Panel with #aa2233 background
background-color: #aa2233;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #aa2233;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(170, 34, 51, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(170, 34, 51, 0.45);
Border & gradient
Gradient panel
border: 3px solid #aa2233; background: linear-gradient(135deg, #aa2233, #AA6C22);