#b7381f
a dark, vivid red · warm · closest name: firebrick
RGB
183, 56, 31
HSL
10°, 71%, 42%
CMYK
0, 69, 83, 28
Luminance
0.1299
Every format
| HEX | #b7381f |
| RGB | rgb(183, 56, 31) |
| HSL | hsl(10, 71%, 42%) |
| CMYK | cmyk(0%, 69%, 83%, 28%) |
| LAB | lab(42.8 49.9 43.1) |
| LCH | lch(42.8 65.9 40.8) |
| OKLCH | oklch(0.526 0.168 33.1) |
Copy-ready code
/* CSS */
color: #b7381f;
background-color: #b7381f;
/* Tailwind (arbitrary) */
class="text-[#b7381f] bg-[#b7381f]"
/* SCSS */
$brand: #b7381f;
/* SwiftUI */
Color(red: 0.718, green: 0.220, blue: 0.122)
/* Android */
Color.parseColor("#b7381f")Accessibility — WCAG contrast
Aa
#b7381f on white: 5.84:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b7381f on black: 3.60:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red71.8%
Green22.0%
Blue12.2%
CMYK percentages
Cyan0.0%
Magenta69.4%
Yellow83.1%
Key (black)28.2%
Color previews
#b7381f text on a black background
contrast 3.60:1
Card sample
#b7381f text on a white background
contrast 5.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b7381f;
Background color
Panel with #b7381f background
background-color: #b7381f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b7381f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(183, 56, 31, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(183, 56, 31, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b7381f; background: linear-gradient(135deg, #b7381f, #B79E1F);