#ef1c21
a balanced, electric red · warm · closest name: red
RGB
239, 28, 33
HSL
359°, 87%, 52%
CMYK
0, 88, 86, 6
Luminance
0.1929
Every format
| HEX | #ef1c21 |
| RGB | rgb(239, 28, 33) |
| HSL | hsl(359, 87%, 52%) |
| CMYK | cmyk(0%, 88%, 86%, 6%) |
| LAB | lab(51.0 73.8 53.5) |
| LCH | lch(51.0 91.2 35.9) |
| OKLCH | oklch(0.607 0.237 27.5) |
Copy-ready code
/* CSS */
color: #ef1c21;
background-color: #ef1c21;
/* Tailwind (arbitrary) */
class="text-[#ef1c21] bg-[#ef1c21]"
/* SCSS */
$brand: #ef1c21;
/* SwiftUI */
Color(red: 0.937, green: 0.110, blue: 0.129)
/* Android */
Color.parseColor("#ef1c21")Accessibility — WCAG contrast
Aa
#ef1c21 on white: 4.32:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef1c21 on black: 4.86:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green11.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta88.3%
Yellow86.2%
Key (black)6.3%
Color previews
#ef1c21 text on a black background
contrast 4.86:1
Card sample
#ef1c21 text on a white background
contrast 4.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef1c21;
Background color
Panel with #ef1c21 background
background-color: #ef1c21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef1c21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 28, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 28, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef1c21; background: linear-gradient(135deg, #ef1c21, #EFA41C);