#b43921
a dark, vivid red · warm · closest name: firebrick
RGB
180, 57, 33
HSL
10°, 69%, 42%
CMYK
0, 68, 82, 29
Luminance
0.1274
Every format
| HEX | #b43921 |
| RGB | rgb(180, 57, 33) |
| HSL | hsl(10, 69%, 42%) |
| CMYK | cmyk(0%, 68%, 82%, 29%) |
| LAB | lab(42.4 48.5 41.5) |
| LCH | lch(42.4 63.9 40.5) |
| OKLCH | oklch(0.522 0.163 33.0) |
Copy-ready code
/* CSS */
color: #b43921;
background-color: #b43921;
/* Tailwind (arbitrary) */
class="text-[#b43921] bg-[#b43921]"
/* SCSS */
$brand: #b43921;
/* SwiftUI */
Color(red: 0.706, green: 0.224, blue: 0.129)
/* Android */
Color.parseColor("#b43921")Accessibility — WCAG contrast
Aa
#b43921 on white: 5.92:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b43921 on black: 3.55:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red70.6%
Green22.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta68.3%
Yellow81.7%
Key (black)29.4%
Color previews
#b43921 text on a black background
contrast 3.55:1
Card sample
#b43921 text on a white background
contrast 5.92:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b43921;
Background color
Panel with #b43921 background
background-color: #b43921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b43921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(180, 57, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(180, 57, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b43921; background: linear-gradient(135deg, #b43921, #B49B21);