#b91b13
a dark, electric red · warm · closest name: firebrick
RGB
185, 27, 19
HSL
3°, 81%, 40%
CMYK
0, 85, 90, 28
Luminance
0.1115
Every format
| HEX | #b91b13 |
| RGB | rgb(185, 27, 19) |
| HSL | hsl(3, 81%, 40%) |
| CMYK | cmyk(0%, 85%, 90%, 28%) |
| LAB | lab(39.8 59.3 46.4) |
| LCH | lch(39.8 75.3 38.0) |
| OKLCH | oklch(0.504 0.192 29.2) |
Copy-ready code
/* CSS */
color: #b91b13;
background-color: #b91b13;
/* Tailwind (arbitrary) */
class="text-[#b91b13] bg-[#b91b13]"
/* SCSS */
$brand: #b91b13;
/* SwiftUI */
Color(red: 0.725, green: 0.106, blue: 0.075)
/* Android */
Color.parseColor("#b91b13")Accessibility — WCAG contrast
Aa
#b91b13 on white: 6.50:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b91b13 on black: 3.23:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red72.5%
Green10.6%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta85.4%
Yellow89.7%
Key (black)27.5%
Color previews
#b91b13 text on a black background
contrast 3.23:1
Card sample
#b91b13 text on a white background
contrast 6.50:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b91b13;
Background color
Panel with #b91b13 background
background-color: #b91b13;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b91b13;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(185, 27, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(185, 27, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b91b13; background: linear-gradient(135deg, #b91b13, #B98A13);