#b80021
a dark, electric red · warm · closest name: firebrick
RGB
184, 0, 33
HSL
349°, 100%, 36%
CMYK
0, 100, 82, 28
Luminance
0.1030
Every format
| HEX | #b80021 |
| RGB | rgb(184, 0, 33) |
| HSL | hsl(349, 100%, 36%) |
| CMYK | cmyk(0%, 100%, 82%, 28%) |
| LAB | lab(38.4 63.2 37.9) |
| LCH | lch(38.4 73.7 30.9) |
| OKLCH | oklch(0.493 0.200 23.8) |
Copy-ready code
/* CSS */
color: #b80021;
background-color: #b80021;
/* Tailwind (arbitrary) */
class="text-[#b80021] bg-[#b80021]"
/* SCSS */
$brand: #b80021;
/* SwiftUI */
Color(red: 0.722, green: 0.000, blue: 0.129)
/* Android */
Color.parseColor("#b80021")Accessibility — WCAG contrast
Aa
#b80021 on white: 6.86:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b80021 on black: 3.06:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red72.2%
Green0.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow82.1%
Key (black)27.8%
Color previews
#b80021 text on a black background
contrast 3.06:1
Card sample
#b80021 text on a white background
contrast 6.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b80021;
Background color
Panel with #b80021 background
background-color: #b80021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b80021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(184, 0, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(184, 0, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b80021; background: linear-gradient(135deg, #b80021, #B85A00);