#ef1f28
a balanced, electric red · warm · closest name: crimson
RGB
239, 31, 40
HSL
357°, 87%, 53%
CMYK
0, 87, 83, 6
Luminance
0.1948
Every format
| HEX | #ef1f28 |
| RGB | rgb(239, 31, 40) |
| HSL | hsl(357, 87%, 53%) |
| CMYK | cmyk(0%, 87%, 83%, 6%) |
| LAB | lab(51.3 73.5 50.3) |
| LCH | lch(51.3 89.0 34.4) |
| OKLCH | oklch(0.608 0.235 26.6) |
Copy-ready code
/* CSS */
color: #ef1f28;
background-color: #ef1f28;
/* Tailwind (arbitrary) */
class="text-[#ef1f28] bg-[#ef1f28]"
/* SCSS */
$brand: #ef1f28;
/* SwiftUI */
Color(red: 0.937, green: 0.122, blue: 0.157)
/* Android */
Color.parseColor("#ef1f28")Accessibility — WCAG contrast
Aa
#ef1f28 on white: 4.29:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef1f28 on black: 4.90:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green12.2%
Blue15.7%
CMYK percentages
Cyan0.0%
Magenta87.0%
Yellow83.3%
Key (black)6.3%
Color previews
#ef1f28 text on a black background
contrast 4.90:1
Card sample
#ef1f28 text on a white background
contrast 4.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef1f28;
Background color
Panel with #ef1f28 background
background-color: #ef1f28;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef1f28;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 31, 40, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 31, 40, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef1f28; background: linear-gradient(135deg, #ef1f28, #EFA11F);