#cb1513
a dark, electric red · warm · closest name: firebrick
RGB
203, 21, 19
HSL
1°, 83%, 44%
CMYK
0, 90, 91, 20
Luminance
0.1328
Every format
| HEX | #cb1513 |
| RGB | rgb(203, 21, 19) |
| HSL | hsl(1, 83%, 44%) |
| CMYK | cmyk(0%, 90%, 91%, 20%) |
| LAB | lab(43.2 65.3 50.5) |
| LCH | lch(43.2 82.6 37.7) |
| OKLCH | oklch(0.535 0.210 28.6) |
Copy-ready code
/* CSS */
color: #cb1513;
background-color: #cb1513;
/* Tailwind (arbitrary) */
class="text-[#cb1513] bg-[#cb1513]"
/* SCSS */
$brand: #cb1513;
/* SwiftUI */
Color(red: 0.796, green: 0.082, blue: 0.075)
/* Android */
Color.parseColor("#cb1513")Accessibility — WCAG contrast
Aa
#cb1513 on white: 5.74:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#cb1513 on black: 3.66:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red79.6%
Green8.2%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta89.7%
Yellow90.6%
Key (black)20.4%
Color previews
#cb1513 text on a black background
contrast 3.66:1
Card sample
#cb1513 text on a white background
contrast 5.74:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cb1513;
Background color
Panel with #cb1513 background
background-color: #cb1513;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cb1513;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(203, 21, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(203, 21, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cb1513; background: linear-gradient(135deg, #cb1513, #CB9013);