#ff511f
a balanced, electric red · warm · closest name: tomato
RGB
255, 81, 31
HSL
13°, 100%, 56%
CMYK
0, 68, 88, 0
Luminance
0.2724
Every format
| HEX | #ff511f |
| RGB | rgb(255, 81, 31) |
| HSL | hsl(13, 100%, 56%) |
| CMYK | cmyk(0%, 68%, 88%, 0%) |
| LAB | lab(59.2 63.9 62.0) |
| LCH | lch(59.2 89.0 44.1) |
| OKLCH | oklch(0.673 0.218 35.5) |
Copy-ready code
/* CSS */
color: #ff511f;
background-color: #ff511f;
/* Tailwind (arbitrary) */
class="text-[#ff511f] bg-[#ff511f]"
/* SCSS */
$brand: #ff511f;
/* SwiftUI */
Color(red: 1.000, green: 0.318, blue: 0.122)
/* Android */
Color.parseColor("#ff511f")Accessibility — WCAG contrast
Aa
#ff511f on white: 3.26:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff511f on black: 6.45:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green31.8%
Blue12.2%
CMYK percentages
Cyan0.0%
Magenta68.2%
Yellow87.8%
Key (black)0.0%
Color previews
#ff511f text on a black background
contrast 6.45:1
Card sample
#ff511f text on a white background
contrast 3.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff511f;
Background color
Panel with #ff511f background
background-color: #ff511f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff511f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 81, 31, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 81, 31, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff511f; background: linear-gradient(135deg, #ff511f, #FFE61F);