#cb1313
a dark, electric red · warm · closest name: firebrick
RGB
203, 19, 19
HSL
0°, 83%, 44%
CMYK
0, 91, 91, 20
Luminance
0.1321
Every format
| HEX | #cb1313 |
| RGB | rgb(203, 19, 19) |
| HSL | hsl(0, 83%, 44%) |
| CMYK | cmyk(0%, 91%, 91%, 20%) |
| LAB | lab(43.1 65.6 50.4) |
| LCH | lch(43.1 82.8 37.6) |
| OKLCH | oklch(0.535 0.211 28.4) |
Copy-ready code
/* CSS */
color: #cb1313;
background-color: #cb1313;
/* Tailwind (arbitrary) */
class="text-[#cb1313] bg-[#cb1313]"
/* SCSS */
$brand: #cb1313;
/* SwiftUI */
Color(red: 0.796, green: 0.075, blue: 0.075)
/* Android */
Color.parseColor("#cb1313")Accessibility — WCAG contrast
Aa
#cb1313 on white: 5.77:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#cb1313 on black: 3.64:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red79.6%
Green7.5%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta90.6%
Yellow90.6%
Key (black)20.4%
Color previews
#cb1313 text on a black background
contrast 3.64:1
Card sample
#cb1313 text on a white background
contrast 5.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cb1313;
Background color
Panel with #cb1313 background
background-color: #cb1313;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cb1313;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(203, 19, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(203, 19, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cb1313; background: linear-gradient(135deg, #cb1313, #CB8E13);