#f40a21
a balanced, electric red · warm · closest name: red
RGB
244, 10, 33
HSL
354°, 92%, 50%
CMYK
0, 96, 87, 4
Luminance
0.1956
Every format
| HEX | #f40a21 |
| RGB | rgb(244, 10, 33) |
| HSL | hsl(354, 92%, 50%) |
| CMYK | cmyk(0%, 96%, 87%, 4%) |
| LAB | lab(51.3 77.1 54.2) |
| LCH | lch(51.3 94.2 35.1) |
| OKLCH | oklch(0.611 0.246 26.6) |
Copy-ready code
/* CSS */
color: #f40a21;
background-color: #f40a21;
/* Tailwind (arbitrary) */
class="text-[#f40a21] bg-[#f40a21]"
/* SCSS */
$brand: #f40a21;
/* SwiftUI */
Color(red: 0.957, green: 0.039, blue: 0.129)
/* Android */
Color.parseColor("#f40a21")Accessibility — WCAG contrast
Aa
#f40a21 on white: 4.28:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#f40a21 on black: 4.91:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red95.7%
Green3.9%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta95.9%
Yellow86.5%
Key (black)4.3%
Color previews
#f40a21 text on a black background
contrast 4.91:1
Card sample
#f40a21 text on a white background
contrast 4.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f40a21;
Background color
Panel with #f40a21 background
background-color: #f40a21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f40a21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(244, 10, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(244, 10, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f40a21; background: linear-gradient(135deg, #f40a21, #F48F0A);