#b20021
a dark, electric red · warm · closest name: firebrick
RGB
178, 0, 33
HSL
349°, 100%, 35%
CMYK
0, 100, 82, 30
Luminance
0.0957
Every format
| HEX | #b20021 |
| RGB | rgb(178, 0, 33) |
| HSL | hsl(349, 100%, 35%) |
| CMYK | cmyk(0%, 100%, 82%, 30%) |
| LAB | lab(37.1 61.7 36.2) |
| LCH | lch(37.1 71.5 30.4) |
| OKLCH | oklch(0.482 0.195 23.4) |
Copy-ready code
/* CSS */
color: #b20021;
background-color: #b20021;
/* Tailwind (arbitrary) */
class="text-[#b20021] bg-[#b20021]"
/* SCSS */
$brand: #b20021;
/* SwiftUI */
Color(red: 0.698, green: 0.000, blue: 0.129)
/* Android */
Color.parseColor("#b20021")Accessibility — WCAG contrast
Aa
#b20021 on white: 7.20:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#b20021 on black: 2.91:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red69.8%
Green0.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow81.5%
Key (black)30.2%
Color previews
#b20021 text on a black background
contrast 2.91:1
Card sample
#b20021 text on a white background
contrast 7.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b20021;
Background color
Panel with #b20021 background
background-color: #b20021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b20021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(178, 0, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(178, 0, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b20021; background: linear-gradient(135deg, #b20021, #B25600);