#ef1b1b
a balanced, electric red · warm · closest name: red
RGB
239, 27, 27
HSL
0°, 87%, 52%
CMYK
0, 89, 89, 6
Luminance
0.1921
Every format
| HEX | #ef1b1b |
| RGB | rgb(239, 27, 27) |
| HSL | hsl(0, 87%, 52%) |
| CMYK | cmyk(0%, 89%, 89%, 6%) |
| LAB | lab(50.9 73.8 56.1) |
| LCH | lch(50.9 92.7 37.2) |
| OKLCH | oklch(0.606 0.237 28.3) |
Copy-ready code
/* CSS */
color: #ef1b1b;
background-color: #ef1b1b;
/* Tailwind (arbitrary) */
class="text-[#ef1b1b] bg-[#ef1b1b]"
/* SCSS */
$brand: #ef1b1b;
/* SwiftUI */
Color(red: 0.937, green: 0.106, blue: 0.106)
/* Android */
Color.parseColor("#ef1b1b")Accessibility — WCAG contrast
Aa
#ef1b1b on white: 4.34:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef1b1b on black: 4.84:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green10.6%
Blue10.6%
CMYK percentages
Cyan0.0%
Magenta88.7%
Yellow88.7%
Key (black)6.3%
Color previews
#ef1b1b text on a black background
contrast 4.84:1
Card sample
#ef1b1b text on a white background
contrast 4.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef1b1b;
Background color
Panel with #ef1b1b background
background-color: #ef1b1b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef1b1b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 27, 27, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 27, 27, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef1b1b; background: linear-gradient(135deg, #ef1b1b, #EFA81B);