#b71f39
a dark, vivid red · warm · closest name: firebrick
RGB
183, 31, 57
HSL
350°, 71%, 42%
CMYK
0, 83, 69, 28
Luminance
0.1134
Every format
| HEX | #b71f39 |
| RGB | rgb(183, 31, 57) |
| HSL | hsl(350, 71%, 42%) |
| CMYK | cmyk(0%, 83%, 69%, 28%) |
| LAB | lab(40.2 59.1 25.4) |
| LCH | lch(40.2 64.3 23.2) |
| OKLCH | oklch(0.507 0.185 18.7) |
Copy-ready code
/* CSS */
color: #b71f39;
background-color: #b71f39;
/* Tailwind (arbitrary) */
class="text-[#b71f39] bg-[#b71f39]"
/* SCSS */
$brand: #b71f39;
/* SwiftUI */
Color(red: 0.718, green: 0.122, blue: 0.224)
/* Android */
Color.parseColor("#b71f39")Accessibility — WCAG contrast
Aa
#b71f39 on white: 6.42:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b71f39 on black: 3.27:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red71.8%
Green12.2%
Blue22.4%
CMYK percentages
Cyan0.0%
Magenta83.1%
Yellow68.9%
Key (black)28.2%
Color previews
#b71f39 text on a black background
contrast 3.27:1
Card sample
#b71f39 text on a white background
contrast 6.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b71f39;
Background color
Panel with #b71f39 background
background-color: #b71f39;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b71f39;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(183, 31, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(183, 31, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b71f39; background: linear-gradient(135deg, #b71f39, #B76A1F);