#511bbc
a dark, vivid violet · warm · closest name: navy
RGB
81, 27, 188
HSL
260°, 75%, 42%
CMYK
57, 86, 0, 26
Luminance
0.0616
Every format
| HEX | #511bbc |
| RGB | rgb(81, 27, 188) |
| HSL | hsl(260, 75%, 42%) |
| CMYK | cmyk(57%, 86%, 0%, 26%) |
| LAB | lab(29.8 59.2 -73.3) |
| LCH | lch(29.8 94.2 308.9) |
| OKLCH | oklch(0.422 0.221 287.6) |
Copy-ready code
/* CSS */
color: #511bbc;
background-color: #511bbc;
/* Tailwind (arbitrary) */
class="text-[#511bbc] bg-[#511bbc]"
/* SCSS */
$brand: #511bbc;
/* SwiftUI */
Color(red: 0.318, green: 0.106, blue: 0.737)
/* Android */
Color.parseColor("#511bbc")Accessibility — WCAG contrast
Aa
#511bbc on white: 9.41:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#511bbc on black: 2.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green10.6%
Blue73.7%
CMYK percentages
Cyan56.9%
Magenta85.6%
Yellow0.0%
Key (black)26.3%
Color previews
#511bbc text on a black background
contrast 2.23:1
Card sample
#511bbc text on a white background
contrast 9.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #511bbc;
Background color
Panel with #511bbc background
background-color: #511bbc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #511bbc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 27, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 27, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #511bbc; background: linear-gradient(135deg, #511bbc, #BC1BBC);