#511da4
a dark, vivid violet · warm · closest name: indigo
RGB
81, 29, 164
HSL
263°, 70%, 38%
CMYK
51, 82, 0, 36
Luminance
0.0531
Every format
| HEX | #511da4 |
| RGB | rgb(81, 29, 164) |
| HSL | hsl(263, 70%, 38%) |
| CMYK | cmyk(51%, 82%, 0%, 36%) |
| LAB | lab(27.6 52.2 -62.6) |
| LCH | lch(27.6 81.5 309.8) |
| OKLCH | oklch(0.400 0.195 292.5) |
Copy-ready code
/* CSS */
color: #511da4;
background-color: #511da4;
/* Tailwind (arbitrary) */
class="text-[#511da4] bg-[#511da4]"
/* SCSS */
$brand: #511da4;
/* SwiftUI */
Color(red: 0.318, green: 0.114, blue: 0.643)
/* Android */
Color.parseColor("#511da4")Accessibility — WCAG contrast
Aa
#511da4 on white: 10.19:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#511da4 on black: 2.06:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green11.4%
Blue64.3%
CMYK percentages
Cyan50.6%
Magenta82.3%
Yellow0.0%
Key (black)35.7%
Color previews
#511da4 text on a black background
contrast 2.06:1
Card sample
#511da4 text on a white background
contrast 10.19:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #511da4;
Background color
Panel with #511da4 background
background-color: #511da4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #511da4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 29, 164, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 29, 164, 0.45);
Border & gradient
Gradient panel
border: 3px solid #511da4; background: linear-gradient(135deg, #511da4, #A41D9D);