#c10909
a dark, electric red · warm · closest name: firebrick
RGB
193, 9, 9
HSL
0°, 91%, 40%
CMYK
0, 95, 95, 24
Luminance
0.1155
Every format
| HEX | #c10909 |
| RGB | rgb(193, 9, 9) |
| HSL | hsl(0, 91%, 40%) |
| CMYK | cmyk(0%, 95%, 95%, 24%) |
| LAB | lab(40.5 64.1 51.4) |
| LCH | lch(40.5 82.2 38.7) |
| OKLCH | oklch(0.512 0.206 28.8) |
Copy-ready code
/* CSS */
color: #c10909;
background-color: #c10909;
/* Tailwind (arbitrary) */
class="text-[#c10909] bg-[#c10909]"
/* SCSS */
$brand: #c10909;
/* SwiftUI */
Color(red: 0.757, green: 0.035, blue: 0.035)
/* Android */
Color.parseColor("#c10909")Accessibility — WCAG contrast
Aa
#c10909 on white: 6.34:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#c10909 on black: 3.31:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red75.7%
Green3.5%
Blue3.5%
CMYK percentages
Cyan0.0%
Magenta95.3%
Yellow95.3%
Key (black)24.3%
Color previews
#c10909 text on a black background
contrast 3.31:1
Card sample
#c10909 text on a white background
contrast 6.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c10909;
Background color
Panel with #c10909 background
background-color: #c10909;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c10909;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(193, 9, 9, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(193, 9, 9, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c10909; background: linear-gradient(135deg, #c10909, #C18409);