#511ba5
a dark, vivid violet · warm · closest name: indigo
RGB
81, 27, 165
HSL
264°, 72%, 38%
CMYK
51, 84, 0, 35
Luminance
0.0525
Every format
| HEX | #511ba5 |
| RGB | rgb(81, 27, 165) |
| HSL | hsl(264, 72%, 38%) |
| CMYK | cmyk(51%, 84%, 0%, 35%) |
| LAB | lab(27.4 53.3 -63.5) |
| LCH | lch(27.4 82.9 310.0) |
| OKLCH | oklch(0.399 0.197 292.5) |
Copy-ready code
/* CSS */
color: #511ba5;
background-color: #511ba5;
/* Tailwind (arbitrary) */
class="text-[#511ba5] bg-[#511ba5]"
/* SCSS */
$brand: #511ba5;
/* SwiftUI */
Color(red: 0.318, green: 0.106, blue: 0.647)
/* Android */
Color.parseColor("#511ba5")Accessibility — WCAG contrast
Aa
#511ba5 on white: 10.24:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#511ba5 on black: 2.05:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green10.6%
Blue64.7%
CMYK percentages
Cyan50.9%
Magenta83.6%
Yellow0.0%
Key (black)35.3%
Color previews
#511ba5 text on a black background
contrast 2.05:1
Card sample
#511ba5 text on a white background
contrast 10.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #511ba5;
Background color
Panel with #511ba5 background
background-color: #511ba5;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #511ba5;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 27, 165, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 27, 165, 0.45);
Border & gradient
Gradient panel
border: 3px solid #511ba5; background: linear-gradient(135deg, #511ba5, #A51B9D);