#511df3
a balanced, electric blue · warm · closest name: blue
RGB
81, 29, 243
HSL
255°, 90%, 53%
CMYK
67, 88, 0, 5
Luminance
0.0910
Every format
| HEX | #511df3 |
| RGB | rgb(81, 29, 243) |
| HSL | hsl(255, 90%, 53%) |
| CMYK | cmyk(67%, 88%, 0%, 5%) |
| LAB | lab(36.2 72.5 -94.5) |
| LCH | lch(36.2 119.2 307.5) |
| OKLCH | oklch(0.483 0.277 279.4) |
Copy-ready code
/* CSS */
color: #511df3;
background-color: #511df3;
/* Tailwind (arbitrary) */
class="text-[#511df3] bg-[#511df3]"
/* SCSS */
$brand: #511df3;
/* SwiftUI */
Color(red: 0.318, green: 0.114, blue: 0.953)
/* Android */
Color.parseColor("#511df3")Accessibility — WCAG contrast
Aa
#511df3 on white: 7.45:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#511df3 on black: 2.82:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green11.4%
Blue95.3%
CMYK percentages
Cyan66.7%
Magenta88.1%
Yellow0.0%
Key (black)4.7%
Color previews
#511df3 text on a black background
contrast 2.82:1
Card sample
#511df3 text on a white background
contrast 7.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #511df3;
Background color
Panel with #511df3 background
background-color: #511df3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #511df3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 29, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 29, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #511df3; background: linear-gradient(135deg, #511df3, #E01DF3);