#ef2b21
a balanced, electric red · warm · closest name: red
RGB
239, 43, 33
HSL
3°, 87%, 53%
CMYK
0, 82, 86, 6
Luminance
0.2019
Every format
| HEX | #ef2b21 |
| RGB | rgb(239, 43, 33) |
| HSL | hsl(3, 87%, 53%) |
| CMYK | cmyk(0%, 82%, 86%, 6%) |
| LAB | lab(52.1 70.9 54.4) |
| LCH | lch(52.1 89.3 37.5) |
| OKLCH | oklch(0.614 0.230 29.0) |
Copy-ready code
/* CSS */
color: #ef2b21;
background-color: #ef2b21;
/* Tailwind (arbitrary) */
class="text-[#ef2b21] bg-[#ef2b21]"
/* SCSS */
$brand: #ef2b21;
/* SwiftUI */
Color(red: 0.937, green: 0.169, blue: 0.129)
/* Android */
Color.parseColor("#ef2b21")Accessibility — WCAG contrast
Aa
#ef2b21 on white: 4.17:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef2b21 on black: 5.04:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green16.9%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta82.0%
Yellow86.2%
Key (black)6.3%
Color previews
#ef2b21 text on a black background
contrast 5.04:1
Card sample
#ef2b21 text on a white background
contrast 4.17:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef2b21;
Background color
Panel with #ef2b21 background
background-color: #ef2b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef2b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 43, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 43, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef2b21; background: linear-gradient(135deg, #ef2b21, #EFB421);