#ef1b08
a balanced, electric red · warm · closest name: red
RGB
239, 27, 8
HSL
5°, 94%, 48%
CMYK
0, 89, 97, 6
Luminance
0.1915
Every format
| HEX | #ef1b08 |
| RGB | rgb(239, 27, 8) |
| HSL | hsl(5, 94%, 48%) |
| CMYK | cmyk(0%, 89%, 97%, 6%) |
| LAB | lab(50.9 73.7 62.3) |
| LCH | lch(50.9 96.4 40.2) |
| OKLCH | oklch(0.605 0.239 30.0) |
Copy-ready code
/* CSS */
color: #ef1b08;
background-color: #ef1b08;
/* Tailwind (arbitrary) */
class="text-[#ef1b08] bg-[#ef1b08]"
/* SCSS */
$brand: #ef1b08;
/* SwiftUI */
Color(red: 0.937, green: 0.106, blue: 0.031)
/* Android */
Color.parseColor("#ef1b08")Accessibility — WCAG contrast
Aa
#ef1b08 on white: 4.35:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef1b08 on black: 4.83:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green10.6%
Blue3.1%
CMYK percentages
Cyan0.0%
Magenta88.7%
Yellow96.7%
Key (black)6.3%
Color previews
#ef1b08 text on a black background
contrast 4.83:1
Card sample
#ef1b08 text on a white background
contrast 4.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef1b08;
Background color
Panel with #ef1b08 background
background-color: #ef1b08;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef1b08;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 27, 8, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 27, 8, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef1b08; background: linear-gradient(135deg, #ef1b08, #EFB508);