#ef1b40
a balanced, electric red · warm · closest name: crimson
RGB
239, 27, 64
HSL
350°, 87%, 52%
CMYK
0, 89, 73, 6
Luminance
0.1950
Every format
| HEX | #ef1b40 |
| RGB | rgb(239, 27, 64) |
| HSL | hsl(350, 87%, 52%) |
| CMYK | cmyk(0%, 89%, 73%, 6%) |
| LAB | lab(51.3 74.8 37.1) |
| LCH | lch(51.3 83.5 26.4) |
| OKLCH | oklch(0.609 0.235 20.9) |
Copy-ready code
/* CSS */
color: #ef1b40;
background-color: #ef1b40;
/* Tailwind (arbitrary) */
class="text-[#ef1b40] bg-[#ef1b40]"
/* SCSS */
$brand: #ef1b40;
/* SwiftUI */
Color(red: 0.937, green: 0.106, blue: 0.251)
/* Android */
Color.parseColor("#ef1b40")Accessibility — WCAG contrast
Aa
#ef1b40 on white: 4.28:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef1b40 on black: 4.90:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green10.6%
Blue25.1%
CMYK percentages
Cyan0.0%
Magenta88.7%
Yellow73.2%
Key (black)6.3%
Color previews
#ef1b40 text on a black background
contrast 4.90:1
Card sample
#ef1b40 text on a white background
contrast 4.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef1b40;
Background color
Panel with #ef1b40 background
background-color: #ef1b40;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef1b40;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 27, 64, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 27, 64, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef1b40; background: linear-gradient(135deg, #ef1b40, #EF831B);