#ef1237
a balanced, electric red · warm · closest name: crimson
RGB
239, 18, 55
HSL
350°, 87%, 50%
CMYK
0, 93, 77, 6
Luminance
0.1906
Every format
| HEX | #ef1237 |
| RGB | rgb(239, 18, 55) |
| HSL | hsl(350, 87%, 50%) |
| CMYK | cmyk(0%, 93%, 77%, 6%) |
| LAB | lab(50.8 75.7 41.8) |
| LCH | lch(50.8 86.4 28.9) |
| OKLCH | oklch(0.605 0.238 22.6) |
Copy-ready code
/* CSS */
color: #ef1237;
background-color: #ef1237;
/* Tailwind (arbitrary) */
class="text-[#ef1237] bg-[#ef1237]"
/* SCSS */
$brand: #ef1237;
/* SwiftUI */
Color(red: 0.937, green: 0.071, blue: 0.216)
/* Android */
Color.parseColor("#ef1237")Accessibility — WCAG contrast
Aa
#ef1237 on white: 4.36:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef1237 on black: 4.81:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green7.1%
Blue21.6%
CMYK percentages
Cyan0.0%
Magenta92.5%
Yellow77.0%
Key (black)6.3%
Color previews
#ef1237 text on a black background
contrast 4.81:1
Card sample
#ef1237 text on a white background
contrast 4.36:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef1237;
Background color
Panel with #ef1237 background
background-color: #ef1237;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef1237;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 18, 55, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 18, 55, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef1237; background: linear-gradient(135deg, #ef1237, #EF8112);