#b71221
a dark, electric red · warm · closest name: firebrick
RGB
183, 18, 33
HSL
355°, 82%, 39%
CMYK
0, 90, 82, 28
Luminance
0.1061
Every format
| HEX | #b71221 |
| RGB | rgb(183, 18, 33) |
| HSL | hsl(355, 82%, 39%) |
| CMYK | cmyk(0%, 90%, 82%, 28%) |
| LAB | lab(38.9 60.8 38.4) |
| LCH | lch(38.9 71.9 32.3) |
| OKLCH | oklch(0.497 0.193 25.0) |
Copy-ready code
/* CSS */
color: #b71221;
background-color: #b71221;
/* Tailwind (arbitrary) */
class="text-[#b71221] bg-[#b71221]"
/* SCSS */
$brand: #b71221;
/* SwiftUI */
Color(red: 0.718, green: 0.071, blue: 0.129)
/* Android */
Color.parseColor("#b71221")Accessibility — WCAG contrast
Aa
#b71221 on white: 6.73:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b71221 on black: 3.12:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red71.8%
Green7.1%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta90.2%
Yellow82.0%
Key (black)28.2%
Color previews
#b71221 text on a black background
contrast 3.12:1
Card sample
#b71221 text on a white background
contrast 6.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b71221;
Background color
Panel with #b71221 background
background-color: #b71221;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b71221;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(183, 18, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(183, 18, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b71221; background: linear-gradient(135deg, #b71221, #B77112);