#f23939
a balanced, electric red · warm · closest name: crimson
RGB
242, 57, 57
HSL
0°, 88%, 59%
CMYK
0, 76, 76, 5
Luminance
0.2210
Every format
| HEX | #f23939 |
| RGB | rgb(242, 57, 57) |
| HSL | hsl(0, 88%, 59%) |
| CMYK | cmyk(0%, 76%, 76%, 5%) |
| LAB | lab(54.1 68.7 44.4) |
| LCH | lch(54.1 81.8 32.9) |
| OKLCH | oklch(0.631 0.221 26.3) |
Copy-ready code
/* CSS */
color: #f23939;
background-color: #f23939;
/* Tailwind (arbitrary) */
class="text-[#f23939] bg-[#f23939]"
/* SCSS */
$brand: #f23939;
/* SwiftUI */
Color(red: 0.949, green: 0.224, blue: 0.224)
/* Android */
Color.parseColor("#f23939")Accessibility — WCAG contrast
Aa
#f23939 on white: 3.87:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#f23939 on black: 5.42:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red94.9%
Green22.4%
Blue22.4%
CMYK percentages
Cyan0.0%
Magenta76.4%
Yellow76.4%
Key (black)5.1%
Color previews
#f23939 text on a black background
contrast 5.42:1
Card sample
#f23939 text on a white background
contrast 3.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f23939;
Background color
Panel with #f23939 background
background-color: #f23939;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f23939;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(242, 57, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(242, 57, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f23939; background: linear-gradient(135deg, #f23939, #F2B439);