#fd4539
a balanced, electric red · warm · closest name: tomato
RGB
253, 69, 57
HSL
4°, 98%, 61%
CMYK
0, 73, 78, 1
Luminance
0.2543
Every format
| HEX | #fd4539 |
| RGB | rgb(253, 69, 57) |
| HSL | hsl(4, 98%, 61%) |
| CMYK | cmyk(0%, 73%, 78%, 1%) |
| LAB | lab(57.5 68.1 48.6) |
| LCH | lch(57.5 83.7 35.5) |
| OKLCH | oklch(0.660 0.222 28.5) |
Copy-ready code
/* CSS */
color: #fd4539;
background-color: #fd4539;
/* Tailwind (arbitrary) */
class="text-[#fd4539] bg-[#fd4539]"
/* SCSS */
$brand: #fd4539;
/* SwiftUI */
Color(red: 0.992, green: 0.271, blue: 0.224)
/* Android */
Color.parseColor("#fd4539")Accessibility — WCAG contrast
Aa
#fd4539 on white: 3.45:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#fd4539 on black: 6.09:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red99.2%
Green27.1%
Blue22.4%
CMYK percentages
Cyan0.0%
Magenta72.7%
Yellow77.5%
Key (black)0.8%
Color previews
#fd4539 text on a black background
contrast 6.09:1
Card sample
#fd4539 text on a white background
contrast 3.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #fd4539;
Background color
Panel with #fd4539 background
background-color: #fd4539;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #fd4539;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(253, 69, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(253, 69, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #fd4539; background: linear-gradient(135deg, #fd4539, #FDC839);