#ef1d3b
a balanced, electric red · warm · closest name: crimson
RGB
239, 29, 59
HSL
351°, 87%, 53%
CMYK
0, 88, 75, 6
Luminance
0.1955
Every format
| HEX | #ef1d3b |
| RGB | rgb(239, 29, 59) |
| HSL | hsl(351, 87%, 53%) |
| CMYK | cmyk(0%, 88%, 75%, 6%) |
| LAB | lab(51.3 74.3 40.1) |
| LCH | lch(51.3 84.4 28.3) |
| OKLCH | oklch(0.609 0.234 22.3) |
Copy-ready code
/* CSS */
color: #ef1d3b;
background-color: #ef1d3b;
/* Tailwind (arbitrary) */
class="text-[#ef1d3b] bg-[#ef1d3b]"
/* SCSS */
$brand: #ef1d3b;
/* SwiftUI */
Color(red: 0.937, green: 0.114, blue: 0.231)
/* Android */
Color.parseColor("#ef1d3b")Accessibility — WCAG contrast
Aa
#ef1d3b on white: 4.28:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef1d3b on black: 4.91:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green11.4%
Blue23.1%
CMYK percentages
Cyan0.0%
Magenta87.9%
Yellow75.3%
Key (black)6.3%
Color previews
#ef1d3b text on a black background
contrast 4.91:1
Card sample
#ef1d3b text on a white background
contrast 4.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef1d3b;
Background color
Panel with #ef1d3b background
background-color: #ef1d3b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef1d3b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 29, 59, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 29, 59, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef1d3b; background: linear-gradient(135deg, #ef1d3b, #EF8B1D);