#e10021
a dark, electric red · warm · closest name: crimson
RGB
225, 0, 33
HSL
351°, 100%, 44%
CMYK
0, 100, 85, 12
Luminance
0.1612
Every format
| HEX | #e10021 |
| RGB | rgb(225, 0, 33) |
| HSL | hsl(351, 100%, 44%) |
| CMYK | cmyk(0%, 100%, 85%, 12%) |
| LAB | lab(47.1 73.3 49.1) |
| LCH | lch(47.1 88.2 33.8) |
| OKLCH | oklch(0.573 0.233 25.7) |
Copy-ready code
/* CSS */
color: #e10021;
background-color: #e10021;
/* Tailwind (arbitrary) */
class="text-[#e10021] bg-[#e10021]"
/* SCSS */
$brand: #e10021;
/* SwiftUI */
Color(red: 0.882, green: 0.000, blue: 0.129)
/* Android */
Color.parseColor("#e10021")Accessibility — WCAG contrast
Aa
#e10021 on white: 4.97:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#e10021 on black: 4.22:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red88.2%
Green0.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow85.3%
Key (black)11.8%
Color previews
#e10021 text on a black background
contrast 4.22:1
Card sample
#e10021 text on a white background
contrast 4.97:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #e10021;
Background color
Panel with #e10021 background
background-color: #e10021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #e10021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(225, 0, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(225, 0, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #e10021; background: linear-gradient(135deg, #e10021, #E17500);