#b83521
a dark, vivid red · warm · closest name: firebrick
RGB
184, 53, 33
HSL
8°, 70%, 43%
CMYK
0, 71, 82, 28
Luminance
0.1285
Every format
| HEX | #b83521 |
| RGB | rgb(184, 53, 33) |
| HSL | hsl(8, 70%, 43%) |
| CMYK | cmyk(0%, 71%, 82%, 28%) |
| LAB | lab(42.5 51.5 41.9) |
| LCH | lch(42.5 66.4 39.2) |
| OKLCH | oklch(0.524 0.171 31.6) |
Copy-ready code
/* CSS */
color: #b83521;
background-color: #b83521;
/* Tailwind (arbitrary) */
class="text-[#b83521] bg-[#b83521]"
/* SCSS */
$brand: #b83521;
/* SwiftUI */
Color(red: 0.722, green: 0.208, blue: 0.129)
/* Android */
Color.parseColor("#b83521")Accessibility — WCAG contrast
Aa
#b83521 on white: 5.88:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b83521 on black: 3.57:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red72.2%
Green20.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta71.2%
Yellow82.1%
Key (black)27.8%
Color previews
#b83521 text on a black background
contrast 3.57:1
Card sample
#b83521 text on a white background
contrast 5.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b83521;
Background color
Panel with #b83521 background
background-color: #b83521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b83521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(184, 53, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(184, 53, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b83521; background: linear-gradient(135deg, #b83521, #B89921);