#f33747
a balanced, electric red · warm · closest name: crimson
RGB
243, 55, 71
HSL
355°, 89%, 58%
CMYK
0, 77, 71, 5
Luminance
0.2224
Every format
| HEX | #f33747 |
| RGB | rgb(243, 55, 71) |
| HSL | hsl(355, 89%, 58%) |
| CMYK | cmyk(0%, 77%, 71%, 5%) |
| LAB | lab(54.3 70.1 36.8) |
| LCH | lch(54.3 79.1 27.7) |
| OKLCH | oklch(0.633 0.222 22.3) |
Copy-ready code
/* CSS */
color: #f33747;
background-color: #f33747;
/* Tailwind (arbitrary) */
class="text-[#f33747] bg-[#f33747]"
/* SCSS */
$brand: #f33747;
/* SwiftUI */
Color(red: 0.953, green: 0.216, blue: 0.278)
/* Android */
Color.parseColor("#f33747")Accessibility — WCAG contrast
Aa
#f33747 on white: 3.85:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#f33747 on black: 5.45:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red95.3%
Green21.6%
Blue27.8%
CMYK percentages
Cyan0.0%
Magenta77.4%
Yellow70.8%
Key (black)4.7%
Color previews
#f33747 text on a black background
contrast 5.45:1
Card sample
#f33747 text on a white background
contrast 3.85:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f33747;
Background color
Panel with #f33747 background
background-color: #f33747;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f33747;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(243, 55, 71, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(243, 55, 71, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f33747; background: linear-gradient(135deg, #f33747, #F3A437);