#c4100b
a dark, electric red · warm · closest name: firebrick
RGB
196, 16, 11
HSL
2°, 89%, 41%
CMYK
0, 92, 94, 23
Luminance
0.1213
Every format
| HEX | #c4100b |
| RGB | rgb(196, 16, 11) |
| HSL | hsl(2, 89%, 41%) |
| CMYK | cmyk(0%, 92%, 94%, 23%) |
| LAB | lab(41.4 64.1 51.6) |
| LCH | lch(41.4 82.3 38.9) |
| OKLCH | oklch(0.520 0.207 29.1) |
Copy-ready code
/* CSS */
color: #c4100b;
background-color: #c4100b;
/* Tailwind (arbitrary) */
class="text-[#c4100b] bg-[#c4100b]"
/* SCSS */
$brand: #c4100b;
/* SwiftUI */
Color(red: 0.769, green: 0.063, blue: 0.043)
/* Android */
Color.parseColor("#c4100b")Accessibility — WCAG contrast
Aa
#c4100b on white: 6.13:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#c4100b on black: 3.43:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red76.9%
Green6.3%
Blue4.3%
CMYK percentages
Cyan0.0%
Magenta91.8%
Yellow94.4%
Key (black)23.1%
Color previews
#c4100b text on a black background
contrast 3.43:1
Card sample
#c4100b text on a white background
contrast 6.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c4100b;
Background color
Panel with #c4100b background
background-color: #c4100b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c4100b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(196, 16, 11, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(196, 16, 11, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c4100b; background: linear-gradient(135deg, #c4100b, #C48B0B);