#c10b21
a dark, electric red · warm · closest name: firebrick
RGB
193, 11, 33
HSL
353°, 89%, 40%
CMYK
0, 94, 83, 24
Luminance
0.1169
Every format
| HEX | #c10b21 |
| RGB | rgb(193, 11, 33) |
| HSL | hsl(353, 89%, 40%) |
| CMYK | cmyk(0%, 94%, 83%, 24%) |
| LAB | lab(40.7 64.3 40.8) |
| LCH | lch(40.7 76.2 32.4) |
| OKLCH | oklch(0.514 0.204 25.0) |
Copy-ready code
/* CSS */
color: #c10b21;
background-color: #c10b21;
/* Tailwind (arbitrary) */
class="text-[#c10b21] bg-[#c10b21]"
/* SCSS */
$brand: #c10b21;
/* SwiftUI */
Color(red: 0.757, green: 0.043, blue: 0.129)
/* Android */
Color.parseColor("#c10b21")Accessibility — WCAG contrast
Aa
#c10b21 on white: 6.29:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#c10b21 on black: 3.34:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red75.7%
Green4.3%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta94.3%
Yellow82.9%
Key (black)24.3%
Color previews
#c10b21 text on a black background
contrast 3.34:1
Card sample
#c10b21 text on a white background
contrast 6.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c10b21;
Background color
Panel with #c10b21 background
background-color: #c10b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c10b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(193, 11, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(193, 11, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c10b21; background: linear-gradient(135deg, #c10b21, #C16E0B);