#ef2821
a balanced, electric red · warm · closest name: red
RGB
239, 40, 33
HSL
2°, 87%, 53%
CMYK
0, 83, 86, 6
Luminance
0.1998
Every format
| HEX | #ef2821 |
| RGB | rgb(239, 40, 33) |
| HSL | hsl(2, 87%, 53%) |
| CMYK | cmyk(0%, 83%, 86%, 6%) |
| LAB | lab(51.8 71.5 54.1) |
| LCH | lch(51.8 89.7 37.1) |
| OKLCH | oklch(0.612 0.231 28.6) |
Copy-ready code
/* CSS */
color: #ef2821;
background-color: #ef2821;
/* Tailwind (arbitrary) */
class="text-[#ef2821] bg-[#ef2821]"
/* SCSS */
$brand: #ef2821;
/* SwiftUI */
Color(red: 0.937, green: 0.157, blue: 0.129)
/* Android */
Color.parseColor("#ef2821")Accessibility — WCAG contrast
Aa
#ef2821 on white: 4.20:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef2821 on black: 5.00:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green15.7%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta83.3%
Yellow86.2%
Key (black)6.3%
Color previews
#ef2821 text on a black background
contrast 5.00:1
Card sample
#ef2821 text on a white background
contrast 4.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef2821;
Background color
Panel with #ef2821 background
background-color: #ef2821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef2821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 40, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 40, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef2821; background: linear-gradient(135deg, #ef2821, #EFB121);