#c51313
a dark, electric red · warm · closest name: firebrick
RGB
197, 19, 19
HSL
0°, 82%, 42%
CMYK
0, 90, 90, 23
Luminance
0.1238
Every format
| HEX | #c51313 |
| RGB | rgb(197, 19, 19) |
| HSL | hsl(0, 82%, 42%) |
| CMYK | cmyk(0%, 90%, 90%, 23%) |
| LAB | lab(41.8 64.0 49.0) |
| LCH | lch(41.8 80.6 37.4) |
| OKLCH | oklch(0.523 0.206 28.3) |
Copy-ready code
/* CSS */
color: #c51313;
background-color: #c51313;
/* Tailwind (arbitrary) */
class="text-[#c51313] bg-[#c51313]"
/* SCSS */
$brand: #c51313;
/* SwiftUI */
Color(red: 0.773, green: 0.075, blue: 0.075)
/* Android */
Color.parseColor("#c51313")Accessibility — WCAG contrast
Aa
#c51313 on white: 6.04:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#c51313 on black: 3.48:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red77.3%
Green7.5%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta90.4%
Yellow90.4%
Key (black)22.7%
Color previews
#c51313 text on a black background
contrast 3.48:1
Card sample
#c51313 text on a white background
contrast 6.04:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c51313;
Background color
Panel with #c51313 background
background-color: #c51313;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c51313;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(197, 19, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(197, 19, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c51313; background: linear-gradient(135deg, #c51313, #C58A13);