#550000
a deep, electric red · warm · closest name: maroon
RGB
85, 0, 0
HSL
0°, 100%, 17%
CMYK
0, 100, 100, 67
Luminance
0.0193
Every format
| HEX | #550000 |
| RGB | rgb(85, 0, 0) |
| HSL | hsl(0, 100%, 17%) |
| CMYK | cmyk(0%, 100%, 100%, 67%) |
| LAB | lab(15.1 36.0 23.6) |
| LCH | lch(15.1 43.0 33.2) |
| OKLCH | oklch(0.282 0.116 29.2) |
Copy-ready code
/* CSS */
color: #550000;
background-color: #550000;
/* Tailwind (arbitrary) */
class="text-[#550000] bg-[#550000]"
/* SCSS */
$brand: #550000;
/* SwiftUI */
Color(red: 0.333, green: 0.000, blue: 0.000)
/* Android */
Color.parseColor("#550000")Accessibility — WCAG contrast
Aa
#550000 on white: 15.15:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#550000 on black: 1.39:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green0.0%
Blue0.0%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow100.0%
Key (black)66.7%
Color previews
#550000 text on a black background
contrast 1.39:1
Card sample
#550000 text on a white background
contrast 15.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #550000;
Background color
Panel with #550000 background
background-color: #550000;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #550000;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 0, 0, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 0, 0, 0.45);
Border & gradient
Gradient panel
border: 3px solid #550000; background: linear-gradient(135deg, #550000, #553900);