#ff4939
a balanced, electric red · warm · closest name: tomato
RGB
255, 73, 57
HSL
5°, 100%, 61%
CMYK
0, 71, 78, 0
Luminance
0.2632
Every format
| HEX | #ff4939 |
| RGB | rgb(255, 73, 57) |
| HSL | hsl(5, 100%, 61%) |
| CMYK | cmyk(0%, 71%, 78%, 0%) |
| LAB | lab(58.4 67.4 49.6) |
| LCH | lch(58.4 83.7 36.3) |
| OKLCH | oklch(0.667 0.221 29.3) |
Copy-ready code
/* CSS */
color: #ff4939;
background-color: #ff4939;
/* Tailwind (arbitrary) */
class="text-[#ff4939] bg-[#ff4939]"
/* SCSS */
$brand: #ff4939;
/* SwiftUI */
Color(red: 1.000, green: 0.286, blue: 0.224)
/* Android */
Color.parseColor("#ff4939")Accessibility — WCAG contrast
Aa
#ff4939 on white: 3.35:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff4939 on black: 6.26:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green28.6%
Blue22.4%
CMYK percentages
Cyan0.0%
Magenta71.4%
Yellow77.6%
Key (black)0.0%
Color previews
#ff4939 text on a black background
contrast 6.26:1
Card sample
#ff4939 text on a white background
contrast 3.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff4939;
Background color
Panel with #ff4939 background
background-color: #ff4939;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff4939;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 73, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 73, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff4939; background: linear-gradient(135deg, #ff4939, #FFCD39);