#ef1f11
a balanced, electric red · warm · closest name: red
RGB
239, 31, 17
HSL
4°, 87%, 50%
CMYK
0, 87, 93, 6
Luminance
0.1937
Every format
| HEX | #ef1f11 |
| RGB | rgb(239, 31, 17) |
| HSL | hsl(4, 87%, 50%) |
| CMYK | cmyk(0%, 87%, 93%, 6%) |
| LAB | lab(51.1 73.1 59.9) |
| LCH | lch(51.1 94.5 39.4) |
| OKLCH | oklch(0.607 0.237 29.7) |
Copy-ready code
/* CSS */
color: #ef1f11;
background-color: #ef1f11;
/* Tailwind (arbitrary) */
class="text-[#ef1f11] bg-[#ef1f11]"
/* SCSS */
$brand: #ef1f11;
/* SwiftUI */
Color(red: 0.937, green: 0.122, blue: 0.067)
/* Android */
Color.parseColor("#ef1f11")Accessibility — WCAG contrast
Aa
#ef1f11 on white: 4.31:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef1f11 on black: 4.87:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green12.2%
Blue6.7%
CMYK percentages
Cyan0.0%
Magenta87.0%
Yellow92.9%
Key (black)6.3%
Color previews
#ef1f11 text on a black background
contrast 4.87:1
Card sample
#ef1f11 text on a white background
contrast 4.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef1f11;
Background color
Panel with #ef1f11 background
background-color: #ef1f11;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef1f11;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 31, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 31, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef1f11; background: linear-gradient(135deg, #ef1f11, #EFB311);