#511df1
a balanced, electric blue · warm · closest name: blue
RGB
81, 29, 241
HSL
255°, 88%, 53%
CMYK
66, 88, 0, 6
Luminance
0.0898
Every format
| HEX | #511df1 |
| RGB | rgb(81, 29, 241) |
| HSL | hsl(255, 88%, 53%) |
| CMYK | cmyk(66%, 88%, 0%, 6%) |
| LAB | lab(35.9 72.0 -93.8) |
| LCH | lch(35.9 118.3 307.5) |
| OKLCH | oklch(0.481 0.275 279.6) |
Copy-ready code
/* CSS */
color: #511df1;
background-color: #511df1;
/* Tailwind (arbitrary) */
class="text-[#511df1] bg-[#511df1]"
/* SCSS */
$brand: #511df1;
/* SwiftUI */
Color(red: 0.318, green: 0.114, blue: 0.945)
/* Android */
Color.parseColor("#511df1")Accessibility — WCAG contrast
Aa
#511df1 on white: 7.51:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#511df1 on black: 2.80:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green11.4%
Blue94.5%
CMYK percentages
Cyan66.4%
Magenta88.0%
Yellow0.0%
Key (black)5.5%
Color previews
#511df1 text on a black background
contrast 2.80:1
Card sample
#511df1 text on a white background
contrast 7.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #511df1;
Background color
Panel with #511df1 background
background-color: #511df1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #511df1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 29, 241, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 29, 241, 0.45);
Border & gradient
Gradient panel
border: 3px solid #511df1; background: linear-gradient(135deg, #511df1, #DE1DF1);