#f31f13
a balanced, electric red · warm · closest name: red
RGB
243, 31, 19
HSL
3°, 90%, 51%
CMYK
0, 87, 92, 5
Luminance
0.2008
Every format
| HEX | #f31f13 |
| RGB | rgb(243, 31, 19) |
| HSL | hsl(3, 90%, 51%) |
| CMYK | cmyk(0%, 87%, 92%, 5%) |
| LAB | lab(51.9 74.1 60.2) |
| LCH | lch(51.9 95.5 39.1) |
| OKLCH | oklch(0.614 0.240 29.5) |
Copy-ready code
/* CSS */
color: #f31f13;
background-color: #f31f13;
/* Tailwind (arbitrary) */
class="text-[#f31f13] bg-[#f31f13]"
/* SCSS */
$brand: #f31f13;
/* SwiftUI */
Color(red: 0.953, green: 0.122, blue: 0.075)
/* Android */
Color.parseColor("#f31f13")Accessibility — WCAG contrast
Aa
#f31f13 on white: 4.19:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#f31f13 on black: 5.02:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red95.3%
Green12.2%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta87.2%
Yellow92.2%
Key (black)4.7%
Color previews
#f31f13 text on a black background
contrast 5.02:1
Card sample
#f31f13 text on a white background
contrast 4.19:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f31f13;
Background color
Panel with #f31f13 background
background-color: #f31f13;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f31f13;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(243, 31, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(243, 31, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f31f13; background: linear-gradient(135deg, #f31f13, #F3B413);