#f31f3c
a balanced, electric red · warm · closest name: crimson
RGB
243, 31, 60
HSL
352°, 90%, 54%
CMYK
0, 87, 75, 5
Luminance
0.2036
Every format
| HEX | #f31f3c |
| RGB | rgb(243, 31, 60) |
| HSL | hsl(352, 90%, 54%) |
| CMYK | cmyk(0%, 87%, 75%, 5%) |
| LAB | lab(52.3 75.0 40.8) |
| LCH | lch(52.3 85.4 28.5) |
| OKLCH | oklch(0.618 0.236 22.5) |
Copy-ready code
/* CSS */
color: #f31f3c;
background-color: #f31f3c;
/* Tailwind (arbitrary) */
class="text-[#f31f3c] bg-[#f31f3c]"
/* SCSS */
$brand: #f31f3c;
/* SwiftUI */
Color(red: 0.953, green: 0.122, blue: 0.235)
/* Android */
Color.parseColor("#f31f3c")Accessibility — WCAG contrast
Aa
#f31f3c on white: 4.14:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#f31f3c on black: 5.07:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red95.3%
Green12.2%
Blue23.5%
CMYK percentages
Cyan0.0%
Magenta87.2%
Yellow75.3%
Key (black)4.7%
Color previews
#f31f3c text on a black background
contrast 5.07:1
Card sample
#f31f3c text on a white background
contrast 4.14:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f31f3c;
Background color
Panel with #f31f3c background
background-color: #f31f3c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f31f3c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(243, 31, 60, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(243, 31, 60, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f31f3c; background: linear-gradient(135deg, #f31f3c, #F38F1F);