#ef1b2b
a balanced, electric red · warm · closest name: crimson
RGB
239, 27, 43
HSL
356°, 87%, 52%
CMYK
0, 89, 82, 6
Luminance
0.1931
Every format
| HEX | #ef1b2b |
| RGB | rgb(239, 27, 43) |
| HSL | hsl(356, 87%, 52%) |
| CMYK | cmyk(0%, 89%, 82%, 6%) |
| LAB | lab(51.0 74.2 48.6) |
| LCH | lch(51.0 88.7 33.2) |
| OKLCH | oklch(0.607 0.236 25.7) |
Copy-ready code
/* CSS */
color: #ef1b2b;
background-color: #ef1b2b;
/* Tailwind (arbitrary) */
class="text-[#ef1b2b] bg-[#ef1b2b]"
/* SCSS */
$brand: #ef1b2b;
/* SwiftUI */
Color(red: 0.937, green: 0.106, blue: 0.169)
/* Android */
Color.parseColor("#ef1b2b")Accessibility — WCAG contrast
Aa
#ef1b2b on white: 4.32:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef1b2b on black: 4.86:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green10.6%
Blue16.9%
CMYK percentages
Cyan0.0%
Magenta88.7%
Yellow82.0%
Key (black)6.3%
Color previews
#ef1b2b text on a black background
contrast 4.86:1
Card sample
#ef1b2b text on a white background
contrast 4.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef1b2b;
Background color
Panel with #ef1b2b background
background-color: #ef1b2b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef1b2b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 27, 43, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 27, 43, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef1b2b; background: linear-gradient(135deg, #ef1b2b, #EF991B);