#b71921
a dark, electric red · warm · closest name: firebrick
RGB
183, 25, 33
HSL
357°, 76%, 41%
CMYK
0, 86, 82, 28
Luminance
0.1087
Every format
| HEX | #b71921 |
| RGB | rgb(183, 25, 33) |
| HSL | hsl(357, 76%, 41%) |
| CMYK | cmyk(0%, 86%, 82%, 28%) |
| LAB | lab(39.4 59.5 38.8) |
| LCH | lch(39.4 71.0 33.1) |
| OKLCH | oklch(0.500 0.190 25.8) |
Copy-ready code
/* CSS */
color: #b71921;
background-color: #b71921;
/* Tailwind (arbitrary) */
class="text-[#b71921] bg-[#b71921]"
/* SCSS */
$brand: #b71921;
/* SwiftUI */
Color(red: 0.718, green: 0.098, blue: 0.129)
/* Android */
Color.parseColor("#b71921")Accessibility — WCAG contrast
Aa
#b71921 on white: 6.62:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b71921 on black: 3.17:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red71.8%
Green9.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta86.3%
Yellow82.0%
Key (black)28.2%
Color previews
#b71921 text on a black background
contrast 3.17:1
Card sample
#b71921 text on a white background
contrast 6.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b71921;
Background color
Panel with #b71921 background
background-color: #b71921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b71921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(183, 25, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(183, 25, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b71921; background: linear-gradient(135deg, #b71921, #B77A19);