#e70021
a balanced, electric red · warm · closest name: crimson
RGB
231, 0, 33
HSL
351°, 100%, 45%
CMYK
0, 100, 86, 9
Luminance
0.1710
Every format
| HEX | #e70021 |
| RGB | rgb(231, 0, 33) |
| HSL | hsl(351, 100%, 45%) |
| CMYK | cmyk(0%, 100%, 86%, 9%) |
| LAB | lab(48.4 74.7 50.7) |
| LCH | lch(48.4 90.3 34.2) |
| OKLCH | oklch(0.584 0.237 25.9) |
Copy-ready code
/* CSS */
color: #e70021;
background-color: #e70021;
/* Tailwind (arbitrary) */
class="text-[#e70021] bg-[#e70021]"
/* SCSS */
$brand: #e70021;
/* SwiftUI */
Color(red: 0.906, green: 0.000, blue: 0.129)
/* Android */
Color.parseColor("#e70021")Accessibility — WCAG contrast
Aa
#e70021 on white: 4.75:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#e70021 on black: 4.42:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red90.6%
Green0.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow85.7%
Key (black)9.4%
Color previews
#e70021 text on a black background
contrast 4.42:1
Card sample
#e70021 text on a white background
contrast 4.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #e70021;
Background color
Panel with #e70021 background
background-color: #e70021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #e70021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(231, 0, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(231, 0, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #e70021; background: linear-gradient(135deg, #e70021, #E77900);