#4b0000
a deep, electric red · warm · closest name: maroon
RGB
75, 0, 0
HSL
0°, 100%, 15%
CMYK
0, 100, 100, 71
Luminance
0.0150
Every format
| HEX | #4b0000 |
| RGB | rgb(75, 0, 0) |
| HSL | hsl(0, 100%, 15%) |
| CMYK | cmyk(0%, 100%, 100%, 71%) |
| LAB | lab(12.6 33.1 19.8) |
| LCH | lch(12.6 38.5 30.9) |
| OKLCH | oklch(0.259 0.106 29.2) |
Copy-ready code
/* CSS */
color: #4b0000;
background-color: #4b0000;
/* Tailwind (arbitrary) */
class="text-[#4b0000] bg-[#4b0000]"
/* SCSS */
$brand: #4b0000;
/* SwiftUI */
Color(red: 0.294, green: 0.000, blue: 0.000)
/* Android */
Color.parseColor("#4b0000")Accessibility — WCAG contrast
Aa
#4b0000 on white: 16.16:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#4b0000 on black: 1.30:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red29.4%
Green0.0%
Blue0.0%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow100.0%
Key (black)70.6%
Color previews
#4b0000 text on a black background
contrast 1.30:1
Card sample
#4b0000 text on a white background
contrast 16.16:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4b0000;
Background color
Panel with #4b0000 background
background-color: #4b0000;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4b0000;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(75, 0, 0, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(75, 0, 0, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4b0000; background: linear-gradient(135deg, #4b0000, #4B3200);