#b72a21
a dark, vivid red · warm · closest name: firebrick
RGB
183, 42, 33
HSL
4°, 69%, 42%
CMYK
0, 77, 82, 28
Luminance
0.1183
Every format
| HEX | #b72a21 |
| RGB | rgb(183, 42, 33) |
| HSL | hsl(4, 69%, 42%) |
| CMYK | cmyk(0%, 77%, 82%, 28%) |
| LAB | lab(41.0 55.0 40.3) |
| LCH | lch(41.0 68.2 36.2) |
| OKLCH | oklch(0.512 0.179 28.8) |
Copy-ready code
/* CSS */
color: #b72a21;
background-color: #b72a21;
/* Tailwind (arbitrary) */
class="text-[#b72a21] bg-[#b72a21]"
/* SCSS */
$brand: #b72a21;
/* SwiftUI */
Color(red: 0.718, green: 0.165, blue: 0.129)
/* Android */
Color.parseColor("#b72a21")Accessibility — WCAG contrast
Aa
#b72a21 on white: 6.24:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b72a21 on black: 3.37:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red71.8%
Green16.5%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta77.0%
Yellow82.0%
Key (black)28.2%
Color previews
#b72a21 text on a black background
contrast 3.37:1
Card sample
#b72a21 text on a white background
contrast 6.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b72a21;
Background color
Panel with #b72a21 background
background-color: #b72a21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b72a21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(183, 42, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(183, 42, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b72a21; background: linear-gradient(135deg, #b72a21, #B78E21);