#e71821
a balanced, electric red · warm · closest name: crimson
RGB
231, 24, 33
HSL
357°, 81%, 50%
CMYK
0, 90, 86, 9
Luminance
0.1775
Every format
| HEX | #e71821 |
| RGB | rgb(231, 24, 33) |
| HSL | hsl(357, 81%, 50%) |
| CMYK | cmyk(0%, 90%, 86%, 9%) |
| LAB | lab(49.2 72.4 51.4) |
| LCH | lch(49.2 88.7 35.4) |
| OKLCH | oklch(0.590 0.232 27.1) |
Copy-ready code
/* CSS */
color: #e71821;
background-color: #e71821;
/* Tailwind (arbitrary) */
class="text-[#e71821] bg-[#e71821]"
/* SCSS */
$brand: #e71821;
/* SwiftUI */
Color(red: 0.906, green: 0.094, blue: 0.129)
/* Android */
Color.parseColor("#e71821")Accessibility — WCAG contrast
Aa
#e71821 on white: 4.61:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#e71821 on black: 4.55:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red90.6%
Green9.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta89.6%
Yellow85.7%
Key (black)9.4%
Color previews
#e71821 text on a black background
contrast 4.55:1
Card sample
#e71821 text on a white background
contrast 4.61:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #e71821;
Background color
Panel with #e71821 background
background-color: #e71821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #e71821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(231, 24, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(231, 24, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #e71821; background: linear-gradient(135deg, #e71821, #E79918);