#511df9
a balanced, electric blue · warm · closest name: blue
RGB
81, 29, 249
HSL
254°, 95%, 55%
CMYK
68, 88, 0, 2
Luminance
0.0947
Every format
| HEX | #511df9 |
| RGB | rgb(81, 29, 249) |
| HSL | hsl(254, 95%, 55%) |
| CMYK | cmyk(68%, 88%, 0%, 2%) |
| LAB | lab(36.9 74.0 -96.8) |
| LCH | lch(36.9 121.9 307.4) |
| OKLCH | oklch(0.490 0.283 278.8) |
Copy-ready code
/* CSS */
color: #511df9;
background-color: #511df9;
/* Tailwind (arbitrary) */
class="text-[#511df9] bg-[#511df9]"
/* SCSS */
$brand: #511df9;
/* SwiftUI */
Color(red: 0.318, green: 0.114, blue: 0.976)
/* Android */
Color.parseColor("#511df9")Accessibility — WCAG contrast
Aa
#511df9 on white: 7.26:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#511df9 on black: 2.89:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green11.4%
Blue97.6%
CMYK percentages
Cyan67.5%
Magenta88.4%
Yellow0.0%
Key (black)2.4%
Color previews
#511df9 text on a black background
contrast 2.89:1
Card sample
#511df9 text on a white background
contrast 7.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #511df9;
Background color
Panel with #511df9 background
background-color: #511df9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #511df9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 29, 249, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 29, 249, 0.45);
Border & gradient
Gradient panel
border: 3px solid #511df9; background: linear-gradient(135deg, #511df9, #E41DF9);