#b81d21
a dark, vivid red · warm · closest name: firebrick
RGB
184, 29, 33
HSL
359°, 73%, 42%
CMYK
0, 84, 82, 28
Luminance
0.1118
Every format
| HEX | #b81d21 |
| RGB | rgb(184, 29, 33) |
| HSL | hsl(359, 73%, 42%) |
| CMYK | cmyk(0%, 84%, 82%, 28%) |
| LAB | lab(39.9 58.9 39.4) |
| LCH | lch(39.9 70.8 33.8) |
| OKLCH | oklch(0.505 0.189 26.4) |
Copy-ready code
/* CSS */
color: #b81d21;
background-color: #b81d21;
/* Tailwind (arbitrary) */
class="text-[#b81d21] bg-[#b81d21]"
/* SCSS */
$brand: #b81d21;
/* SwiftUI */
Color(red: 0.722, green: 0.114, blue: 0.129)
/* Android */
Color.parseColor("#b81d21")Accessibility — WCAG contrast
Aa
#b81d21 on white: 6.49:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b81d21 on black: 3.24:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red72.2%
Green11.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta84.2%
Yellow82.1%
Key (black)27.8%
Color previews
#b81d21 text on a black background
contrast 3.24:1
Card sample
#b81d21 text on a white background
contrast 6.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b81d21;
Background color
Panel with #b81d21 background
background-color: #b81d21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b81d21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(184, 29, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(184, 29, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b81d21; background: linear-gradient(135deg, #b81d21, #B8811D);