#fd3739
a balanced, electric red · warm · closest name: tomato
RGB
253, 55, 57
HSL
359°, 98%, 60%
CMYK
0, 78, 78, 1
Luminance
0.2391
Every format
| HEX | #fd3739 |
| RGB | rgb(253, 55, 57) |
| HSL | hsl(359, 98%, 60%) |
| CMYK | cmyk(0%, 78%, 78%, 1%) |
| LAB | lab(56.0 72.3 47.0) |
| LCH | lch(56.0 86.3 33.0) |
| OKLCH | oklch(0.649 0.232 26.2) |
Copy-ready code
/* CSS */
color: #fd3739;
background-color: #fd3739;
/* Tailwind (arbitrary) */
class="text-[#fd3739] bg-[#fd3739]"
/* SCSS */
$brand: #fd3739;
/* SwiftUI */
Color(red: 0.992, green: 0.216, blue: 0.224)
/* Android */
Color.parseColor("#fd3739")Accessibility — WCAG contrast
Aa
#fd3739 on white: 3.63:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#fd3739 on black: 5.78:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red99.2%
Green21.6%
Blue22.4%
CMYK percentages
Cyan0.0%
Magenta78.3%
Yellow77.5%
Key (black)0.8%
Color previews
#fd3739 text on a black background
contrast 5.78:1
Card sample
#fd3739 text on a white background
contrast 3.63:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #fd3739;
Background color
Panel with #fd3739 background
background-color: #fd3739;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #fd3739;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(253, 55, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(253, 55, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #fd3739; background: linear-gradient(135deg, #fd3739, #FDB937);