#ef1b34
a balanced, electric red · warm · closest name: crimson
RGB
239, 27, 52
HSL
353°, 87%, 52%
CMYK
0, 89, 78, 6
Luminance
0.1938
Every format
| HEX | #ef1b34 |
| RGB | rgb(239, 27, 52) |
| HSL | hsl(353, 87%, 52%) |
| CMYK | cmyk(0%, 89%, 78%, 6%) |
| LAB | lab(51.1 74.4 43.8) |
| LCH | lch(51.1 86.4 30.5) |
| OKLCH | oklch(0.608 0.235 23.8) |
Copy-ready code
/* CSS */
color: #ef1b34;
background-color: #ef1b34;
/* Tailwind (arbitrary) */
class="text-[#ef1b34] bg-[#ef1b34]"
/* SCSS */
$brand: #ef1b34;
/* SwiftUI */
Color(red: 0.937, green: 0.106, blue: 0.204)
/* Android */
Color.parseColor("#ef1b34")Accessibility — WCAG contrast
Aa
#ef1b34 on white: 4.31:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef1b34 on black: 4.88:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green10.6%
Blue20.4%
CMYK percentages
Cyan0.0%
Magenta88.7%
Yellow78.2%
Key (black)6.3%
Color previews
#ef1b34 text on a black background
contrast 4.88:1
Card sample
#ef1b34 text on a white background
contrast 4.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef1b34;
Background color
Panel with #ef1b34 background
background-color: #ef1b34;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef1b34;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 27, 52, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 27, 52, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef1b34; background: linear-gradient(135deg, #ef1b34, #EF8F1B);