#b81c01
a dark, electric red · warm · closest name: firebrick
RGB
184, 28, 1
HSL
9°, 99%, 36%
CMYK
0, 85, 100, 28
Luminance
0.1102
Every format
| HEX | #b81c01 |
| RGB | rgb(184, 28, 1) |
| HSL | hsl(9, 99%, 36%) |
| CMYK | cmyk(0%, 85%, 100%, 28%) |
| LAB | lab(39.6 58.6 52.8) |
| LCH | lch(39.6 78.8 42.0) |
| OKLCH | oklch(0.502 0.192 31.6) |
Copy-ready code
/* CSS */
color: #b81c01;
background-color: #b81c01;
/* Tailwind (arbitrary) */
class="text-[#b81c01] bg-[#b81c01]"
/* SCSS */
$brand: #b81c01;
/* SwiftUI */
Color(red: 0.722, green: 0.110, blue: 0.004)
/* Android */
Color.parseColor("#b81c01")Accessibility — WCAG contrast
Aa
#b81c01 on white: 6.55:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b81c01 on black: 3.20:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red72.2%
Green11.0%
Blue0.4%
CMYK percentages
Cyan0.0%
Magenta84.8%
Yellow99.5%
Key (black)27.8%
Color previews
#b81c01 text on a black background
contrast 3.20:1
Card sample
#b81c01 text on a white background
contrast 6.55:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b81c01;
Background color
Panel with #b81c01 background
background-color: #b81c01;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b81c01;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(184, 28, 1, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(184, 28, 1, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b81c01; background: linear-gradient(135deg, #b81c01, #B89601);