#cb3813
a dark, electric red · warm · closest name: firebrick
RGB
203, 56, 19
HSL
12°, 83%, 44%
CMYK
0, 72, 91, 20
Luminance
0.1557
Every format
| HEX | #cb3813 |
| RGB | rgb(203, 56, 19) |
| HSL | hsl(12, 83%, 44%) |
| CMYK | cmyk(0%, 72%, 91%, 20%) |
| LAB | lab(46.4 56.2 52.8) |
| LCH | lch(46.4 77.1 43.2) |
| OKLCH | oklch(0.559 0.189 34.2) |
Copy-ready code
/* CSS */
color: #cb3813;
background-color: #cb3813;
/* Tailwind (arbitrary) */
class="text-[#cb3813] bg-[#cb3813]"
/* SCSS */
$brand: #cb3813;
/* SwiftUI */
Color(red: 0.796, green: 0.220, blue: 0.075)
/* Android */
Color.parseColor("#cb3813")Accessibility — WCAG contrast
Aa
#cb3813 on white: 5.10:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#cb3813 on black: 4.11:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red79.6%
Green22.0%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta72.4%
Yellow90.6%
Key (black)20.4%
Color previews
#cb3813 text on a black background
contrast 4.11:1
Card sample
#cb3813 text on a white background
contrast 5.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cb3813;
Background color
Panel with #cb3813 background
background-color: #cb3813;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cb3813;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(203, 56, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(203, 56, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cb3813; background: linear-gradient(135deg, #cb3813, #CBB313);