#b71f0f
a dark, electric red · warm · closest name: firebrick
RGB
183, 31, 15
HSL
6°, 85%, 39%
CMYK
0, 83, 92, 28
Luminance
0.1108
Every format
| HEX | #b71f0f |
| RGB | rgb(183, 31, 15) |
| HSL | hsl(6, 85%, 39%) |
| CMYK | cmyk(0%, 83%, 92%, 28%) |
| LAB | lab(39.7 57.7 47.8) |
| LCH | lch(39.7 75.0 39.6) |
| OKLCH | oklch(0.503 0.188 30.4) |
Copy-ready code
/* CSS */
color: #b71f0f;
background-color: #b71f0f;
/* Tailwind (arbitrary) */
class="text-[#b71f0f] bg-[#b71f0f]"
/* SCSS */
$brand: #b71f0f;
/* SwiftUI */
Color(red: 0.718, green: 0.122, blue: 0.059)
/* Android */
Color.parseColor("#b71f0f")Accessibility — WCAG contrast
Aa
#b71f0f on white: 6.53:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b71f0f on black: 3.22:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red71.8%
Green12.2%
Blue5.9%
CMYK percentages
Cyan0.0%
Magenta83.1%
Yellow91.8%
Key (black)28.2%
Color previews
#b71f0f text on a black background
contrast 3.22:1
Card sample
#b71f0f text on a white background
contrast 6.53:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b71f0f;
Background color
Panel with #b71f0f background
background-color: #b71f0f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b71f0f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(183, 31, 15, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(183, 31, 15, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b71f0f; background: linear-gradient(135deg, #b71f0f, #B78F0F);