#bb3311
a dark, electric red · warm · closest name: firebrick
RGB
187, 51, 17
HSL
12°, 83%, 40%
CMYK
0, 73, 91, 27
Luminance
0.1297
Every format
| HEX | #bb3311 |
| RGB | rgb(187, 51, 17) |
| HSL | hsl(12, 83%, 40%) |
| CMYK | cmyk(0%, 73%, 91%, 27%) |
| LAB | lab(42.7 52.8 49.5) |
| LCH | lch(42.7 72.4 43.1) |
| OKLCH | oklch(0.526 0.178 34.2) |
Copy-ready code
/* CSS */
color: #bb3311;
background-color: #bb3311;
/* Tailwind (arbitrary) */
class="text-[#bb3311] bg-[#bb3311]"
/* SCSS */
$brand: #bb3311;
/* SwiftUI */
Color(red: 0.733, green: 0.200, blue: 0.067)
/* Android */
Color.parseColor("#bb3311")Accessibility — WCAG contrast
Aa
#bb3311 on white: 5.84:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#bb3311 on black: 3.59:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red73.3%
Green20.0%
Blue6.7%
CMYK percentages
Cyan0.0%
Magenta72.7%
Yellow90.9%
Key (black)26.7%
Color previews
#bb3311 text on a black background
contrast 3.59:1
Card sample
#bb3311 text on a white background
contrast 5.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #bb3311;
Background color
Panel with #bb3311 background
background-color: #bb3311;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #bb3311;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(187, 51, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(187, 51, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #bb3311; background: linear-gradient(135deg, #bb3311, #BBA411);