#ff4133
a balanced, electric red · warm · closest name: tomato
RGB
255, 65, 51
HSL
4°, 100%, 60%
CMYK
0, 75, 80, 0
Luminance
0.2528
Every format
| HEX | #ff4133 |
| RGB | rgb(255, 65, 51) |
| HSL | hsl(4, 100%, 60%) |
| CMYK | cmyk(0%, 75%, 80%, 0%) |
| LAB | lab(57.4 69.8 51.6) |
| LCH | lch(57.4 86.8 36.5) |
| OKLCH | oklch(0.659 0.228 29.1) |
Copy-ready code
/* CSS */
color: #ff4133;
background-color: #ff4133;
/* Tailwind (arbitrary) */
class="text-[#ff4133] bg-[#ff4133]"
/* SCSS */
$brand: #ff4133;
/* SwiftUI */
Color(red: 1.000, green: 0.255, blue: 0.200)
/* Android */
Color.parseColor("#ff4133")Accessibility — WCAG contrast
Aa
#ff4133 on white: 3.47:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff4133 on black: 6.06:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green25.5%
Blue20.0%
CMYK percentages
Cyan0.0%
Magenta74.5%
Yellow80.0%
Key (black)0.0%
Color previews
#ff4133 text on a black background
contrast 6.06:1
Card sample
#ff4133 text on a white background
contrast 3.47:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff4133;
Background color
Panel with #ff4133 background
background-color: #ff4133;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff4133;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 65, 51, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 65, 51, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff4133; background: linear-gradient(135deg, #ff4133, #FFC933);