#511ba3
a dark, vivid violet · warm · closest name: indigo
RGB
81, 27, 163
HSL
264°, 72%, 37%
CMYK
50, 83, 0, 36
Luminance
0.0518
Every format
| HEX | #511ba3 |
| RGB | rgb(81, 27, 163) |
| HSL | hsl(264, 72%, 37%) |
| CMYK | cmyk(50%, 83%, 0%, 36%) |
| LAB | lab(27.2 52.8 -62.6) |
| LCH | lch(27.2 81.8 310.1) |
| OKLCH | oklch(0.397 0.195 293.0) |
Copy-ready code
/* CSS */
color: #511ba3;
background-color: #511ba3;
/* Tailwind (arbitrary) */
class="text-[#511ba3] bg-[#511ba3]"
/* SCSS */
$brand: #511ba3;
/* SwiftUI */
Color(red: 0.318, green: 0.106, blue: 0.639)
/* Android */
Color.parseColor("#511ba3")Accessibility — WCAG contrast
Aa
#511ba3 on white: 10.32:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#511ba3 on black: 2.04:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green10.6%
Blue63.9%
CMYK percentages
Cyan50.3%
Magenta83.4%
Yellow0.0%
Key (black)36.1%
Color previews
#511ba3 text on a black background
contrast 2.04:1
Card sample
#511ba3 text on a white background
contrast 10.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #511ba3;
Background color
Panel with #511ba3 background
background-color: #511ba3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #511ba3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 27, 163, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 27, 163, 0.45);
Border & gradient
Gradient panel
border: 3px solid #511ba3; background: linear-gradient(135deg, #511ba3, #A31B9B);