#511cfb
a balanced, electric blue · warm · closest name: blue
RGB
81, 28, 251
HSL
254°, 97%, 55%
CMYK
68, 89, 0, 2
Luminance
0.0954
Every format
| HEX | #511cfb |
| RGB | rgb(81, 28, 251) |
| HSL | hsl(254, 97%, 55%) |
| CMYK | cmyk(68%, 89%, 0%, 2%) |
| LAB | lab(37.0 74.8 -97.7) |
| LCH | lch(37.0 123.0 307.5) |
| OKLCH | oklch(0.492 0.285 278.6) |
Copy-ready code
/* CSS */
color: #511cfb;
background-color: #511cfb;
/* Tailwind (arbitrary) */
class="text-[#511cfb] bg-[#511cfb]"
/* SCSS */
$brand: #511cfb;
/* SwiftUI */
Color(red: 0.318, green: 0.110, blue: 0.984)
/* Android */
Color.parseColor("#511cfb")Accessibility — WCAG contrast
Aa
#511cfb on white: 7.22:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#511cfb on black: 2.91:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green11.0%
Blue98.4%
CMYK percentages
Cyan67.7%
Magenta88.8%
Yellow0.0%
Key (black)1.6%
Color previews
#511cfb text on a black background
contrast 2.91:1
Card sample
#511cfb text on a white background
contrast 7.22:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #511cfb;
Background color
Panel with #511cfb background
background-color: #511cfb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #511cfb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 28, 251, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 28, 251, 0.45);
Border & gradient
Gradient panel
border: 3px solid #511cfb; background: linear-gradient(135deg, #511cfb, #E61CFB);