#c40310
a dark, electric red · warm · closest name: firebrick
RGB
196, 3, 16
HSL
356°, 97%, 39%
CMYK
0, 99, 92, 23
Luminance
0.1184
Every format
| HEX | #c40310 |
| RGB | rgb(196, 3, 16) |
| HSL | hsl(356, 97%, 39%) |
| CMYK | cmyk(0%, 99%, 92%, 23%) |
| LAB | lab(41.0 65.6 49.5) |
| LCH | lch(41.0 82.2 37.1) |
| OKLCH | oklch(0.516 0.210 27.7) |
Copy-ready code
/* CSS */
color: #c40310;
background-color: #c40310;
/* Tailwind (arbitrary) */
class="text-[#c40310] bg-[#c40310]"
/* SCSS */
$brand: #c40310;
/* SwiftUI */
Color(red: 0.769, green: 0.012, blue: 0.063)
/* Android */
Color.parseColor("#c40310")Accessibility — WCAG contrast
Aa
#c40310 on white: 6.24:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#c40310 on black: 3.37:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red76.9%
Green1.2%
Blue6.3%
CMYK percentages
Cyan0.0%
Magenta98.5%
Yellow91.8%
Key (black)23.1%
Color previews
#c40310 text on a black background
contrast 3.37:1
Card sample
#c40310 text on a white background
contrast 6.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c40310;
Background color
Panel with #c40310 background
background-color: #c40310;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c40310;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(196, 3, 16, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(196, 3, 16, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c40310; background: linear-gradient(135deg, #c40310, #C47703);