#ff313f
a balanced, electric red · warm · closest name: crimson
RGB
255, 49, 63
HSL
356°, 100%, 60%
CMYK
0, 81, 75, 0
Luminance
0.2382
Every format
| HEX | #ff313f |
| RGB | rgb(255, 49, 63) |
| HSL | hsl(356, 100%, 60%) |
| CMYK | cmyk(0%, 81%, 75%, 0%) |
| LAB | lab(55.9 74.6 43.8) |
| LCH | lch(55.9 86.5 30.4) |
| OKLCH | oklch(0.649 0.237 24.1) |
Copy-ready code
/* CSS */
color: #ff313f;
background-color: #ff313f;
/* Tailwind (arbitrary) */
class="text-[#ff313f] bg-[#ff313f]"
/* SCSS */
$brand: #ff313f;
/* SwiftUI */
Color(red: 1.000, green: 0.192, blue: 0.247)
/* Android */
Color.parseColor("#ff313f")Accessibility — WCAG contrast
Aa
#ff313f on white: 3.64:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff313f on black: 5.76:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green19.2%
Blue24.7%
CMYK percentages
Cyan0.0%
Magenta80.8%
Yellow75.3%
Key (black)0.0%
Color previews
#ff313f text on a black background
contrast 5.76:1
Card sample
#ff313f text on a white background
contrast 3.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff313f;
Background color
Panel with #ff313f background
background-color: #ff313f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff313f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 49, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 49, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff313f; background: linear-gradient(135deg, #ff313f, #FFAC31);