#aa3311
a dark, electric red · warm · closest name: firebrick
RGB
170, 51, 17
HSL
13°, 82%, 37%
CMYK
0, 70, 90, 33
Luminance
0.1095
Every format
| HEX | #aa3311 |
| RGB | rgb(170, 51, 17) |
| HSL | hsl(13, 82%, 37%) |
| CMYK | cmyk(0%, 70%, 90%, 33%) |
| LAB | lab(39.5 47.1 45.7) |
| LCH | lch(39.5 65.6 44.1) |
| OKLCH | oklch(0.496 0.161 35.4) |
Copy-ready code
/* CSS */
color: #aa3311;
background-color: #aa3311;
/* Tailwind (arbitrary) */
class="text-[#aa3311] bg-[#aa3311]"
/* SCSS */
$brand: #aa3311;
/* SwiftUI */
Color(red: 0.667, green: 0.200, blue: 0.067)
/* Android */
Color.parseColor("#aa3311")Accessibility — WCAG contrast
Aa
#aa3311 on white: 6.58:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#aa3311 on black: 3.19:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red66.7%
Green20.0%
Blue6.7%
CMYK percentages
Cyan0.0%
Magenta70.0%
Yellow90.0%
Key (black)33.3%
Color previews
#aa3311 text on a black background
contrast 3.19:1
Card sample
#aa3311 text on a white background
contrast 6.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #aa3311;
Background color
Panel with #aa3311 background
background-color: #aa3311;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #aa3311;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(170, 51, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(170, 51, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #aa3311; background: linear-gradient(135deg, #aa3311, #AA9911);