#ef1f23
a balanced, electric red · warm · closest name: red
RGB
239, 31, 35
HSL
359°, 87%, 53%
CMYK
0, 87, 85, 6
Luminance
0.1945
Every format
| HEX | #ef1f23 |
| RGB | rgb(239, 31, 35) |
| HSL | hsl(359, 87%, 53%) |
| CMYK | cmyk(0%, 87%, 85%, 6%) |
| LAB | lab(51.2 73.3 52.7) |
| LCH | lch(51.2 90.3 35.7) |
| OKLCH | oklch(0.608 0.235 27.4) |
Copy-ready code
/* CSS */
color: #ef1f23;
background-color: #ef1f23;
/* Tailwind (arbitrary) */
class="text-[#ef1f23] bg-[#ef1f23]"
/* SCSS */
$brand: #ef1f23;
/* SwiftUI */
Color(red: 0.937, green: 0.122, blue: 0.137)
/* Android */
Color.parseColor("#ef1f23")Accessibility — WCAG contrast
Aa
#ef1f23 on white: 4.29:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef1f23 on black: 4.89:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green12.2%
Blue13.7%
CMYK percentages
Cyan0.0%
Magenta87.0%
Yellow85.4%
Key (black)6.3%
Color previews
#ef1f23 text on a black background
contrast 4.89:1
Card sample
#ef1f23 text on a white background
contrast 4.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef1f23;
Background color
Panel with #ef1f23 background
background-color: #ef1f23;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef1f23;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 31, 35, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 31, 35, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef1f23; background: linear-gradient(135deg, #ef1f23, #EFA51F);