#f31c13
a balanced, electric red · warm · closest name: red
RGB
243, 28, 19
HSL
2°, 90%, 51%
CMYK
0, 89, 92, 5
Luminance
0.1993
Every format
| HEX | #f31c13 |
| RGB | rgb(243, 28, 19) |
| HSL | hsl(2, 90%, 51%) |
| CMYK | cmyk(0%, 89%, 92%, 5%) |
| LAB | lab(51.8 74.6 60.1) |
| LCH | lch(51.8 95.8 38.8) |
| OKLCH | oklch(0.613 0.241 29.2) |
Copy-ready code
/* CSS */
color: #f31c13;
background-color: #f31c13;
/* Tailwind (arbitrary) */
class="text-[#f31c13] bg-[#f31c13]"
/* SCSS */
$brand: #f31c13;
/* SwiftUI */
Color(red: 0.953, green: 0.110, blue: 0.075)
/* Android */
Color.parseColor("#f31c13")Accessibility — WCAG contrast
Aa
#f31c13 on white: 4.21:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#f31c13 on black: 4.99:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red95.3%
Green11.0%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta88.5%
Yellow92.2%
Key (black)4.7%
Color previews
#f31c13 text on a black background
contrast 4.99:1
Card sample
#f31c13 text on a white background
contrast 4.21:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f31c13;
Background color
Panel with #f31c13 background
background-color: #f31c13;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f31c13;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(243, 28, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(243, 28, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f31c13; background: linear-gradient(135deg, #f31c13, #F3B113);