#511cb3
a dark, vivid violet · warm · closest name: indigo
RGB
81, 28, 179
HSL
261°, 73%, 41%
CMYK
55, 84, 0, 30
Luminance
0.0583
Every format
| HEX | #511cb3 |
| RGB | rgb(81, 28, 179) |
| HSL | hsl(261, 73%, 41%) |
| CMYK | cmyk(55%, 84%, 0%, 30%) |
| LAB | lab(29.0 56.5 -69.3) |
| LCH | lch(29.0 89.4 309.2) |
| OKLCH | oklch(0.414 0.211 289.3) |
Copy-ready code
/* CSS */
color: #511cb3;
background-color: #511cb3;
/* Tailwind (arbitrary) */
class="text-[#511cb3] bg-[#511cb3]"
/* SCSS */
$brand: #511cb3;
/* SwiftUI */
Color(red: 0.318, green: 0.110, blue: 0.702)
/* Android */
Color.parseColor("#511cb3")Accessibility — WCAG contrast
Aa
#511cb3 on white: 9.69:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#511cb3 on black: 2.17:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green11.0%
Blue70.2%
CMYK percentages
Cyan54.7%
Magenta84.4%
Yellow0.0%
Key (black)29.8%
Color previews
#511cb3 text on a black background
contrast 2.17:1
Card sample
#511cb3 text on a white background
contrast 9.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #511cb3;
Background color
Panel with #511cb3 background
background-color: #511cb3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #511cb3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 28, 179, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 28, 179, 0.45);
Border & gradient
Gradient panel
border: 3px solid #511cb3; background: linear-gradient(135deg, #511cb3, #B31CB0);