#b71d13
a dark, electric red · warm · closest name: firebrick
RGB
183, 29, 19
HSL
4°, 81%, 40%
CMYK
0, 84, 90, 28
Luminance
0.1099
Every format
| HEX | #b71d13 |
| RGB | rgb(183, 29, 19) |
| HSL | hsl(4, 81%, 40%) |
| CMYK | cmyk(0%, 84%, 90%, 28%) |
| LAB | lab(39.6 58.3 46.0) |
| LCH | lch(39.6 74.3 38.3) |
| OKLCH | oklch(0.502 0.189 29.4) |
Copy-ready code
/* CSS */
color: #b71d13;
background-color: #b71d13;
/* Tailwind (arbitrary) */
class="text-[#b71d13] bg-[#b71d13]"
/* SCSS */
$brand: #b71d13;
/* SwiftUI */
Color(red: 0.718, green: 0.114, blue: 0.075)
/* Android */
Color.parseColor("#b71d13")Accessibility — WCAG contrast
Aa
#b71d13 on white: 6.57:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b71d13 on black: 3.20:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red71.8%
Green11.4%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta84.2%
Yellow89.6%
Key (black)28.2%
Color previews
#b71d13 text on a black background
contrast 3.20:1
Card sample
#b71d13 text on a white background
contrast 6.57:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b71d13;
Background color
Panel with #b71d13 background
background-color: #b71d13;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b71d13;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(183, 29, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(183, 29, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b71d13; background: linear-gradient(135deg, #b71d13, #B78A13);