#b83321
a dark, vivid red · warm · closest name: firebrick
RGB
184, 51, 33
HSL
7°, 70%, 43%
CMYK
0, 72, 82, 28
Luminance
0.1267
Every format
| HEX | #b83321 |
| RGB | rgb(184, 51, 33) |
| HSL | hsl(7, 70%, 43%) |
| CMYK | cmyk(0%, 72%, 82%, 28%) |
| LAB | lab(42.3 52.2 41.7) |
| LCH | lch(42.3 66.8 38.6) |
| OKLCH | oklch(0.522 0.173 31.0) |
Copy-ready code
/* CSS */
color: #b83321;
background-color: #b83321;
/* Tailwind (arbitrary) */
class="text-[#b83321] bg-[#b83321]"
/* SCSS */
$brand: #b83321;
/* SwiftUI */
Color(red: 0.722, green: 0.200, blue: 0.129)
/* Android */
Color.parseColor("#b83321")Accessibility — WCAG contrast
Aa
#b83321 on white: 5.94:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b83321 on black: 3.53:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red72.2%
Green20.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta72.3%
Yellow82.1%
Key (black)27.8%
Color previews
#b83321 text on a black background
contrast 3.53:1
Card sample
#b83321 text on a white background
contrast 5.94:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b83321;
Background color
Panel with #b83321 background
background-color: #b83321;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b83321;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(184, 51, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(184, 51, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b83321; background: linear-gradient(135deg, #b83321, #B89821);