#cb010f
a dark, electric red · warm · closest name: firebrick
RGB
203, 1, 15
HSL
356°, 99%, 40%
CMYK
0, 100, 93, 20
Luminance
0.1275
Every format
| HEX | #cb010f |
| RGB | rgb(203, 1, 15) |
| HSL | hsl(356, 99%, 40%) |
| CMYK | cmyk(0%, 100%, 93%, 20%) |
| LAB | lab(42.4 67.5 51.6) |
| LCH | lch(42.4 85.0 37.4) |
| OKLCH | oklch(0.530 0.216 27.9) |
Copy-ready code
/* CSS */
color: #cb010f;
background-color: #cb010f;
/* Tailwind (arbitrary) */
class="text-[#cb010f] bg-[#cb010f]"
/* SCSS */
$brand: #cb010f;
/* SwiftUI */
Color(red: 0.796, green: 0.004, blue: 0.059)
/* Android */
Color.parseColor("#cb010f")Accessibility — WCAG contrast
Aa
#cb010f on white: 5.91:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#cb010f on black: 3.55:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red79.6%
Green0.4%
Blue5.9%
CMYK percentages
Cyan0.0%
Magenta99.5%
Yellow92.6%
Key (black)20.4%
Color previews
#cb010f text on a black background
contrast 3.55:1
Card sample
#cb010f text on a white background
contrast 5.91:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cb010f;
Background color
Panel with #cb010f background
background-color: #cb010f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cb010f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(203, 1, 15, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(203, 1, 15, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cb010f; background: linear-gradient(135deg, #cb010f, #CB7A01);