#516ef1
a balanced, electric blue · warm · closest name: royalblue
RGB
81, 110, 241
HSL
229°, 85%, 63%
CMYK
66, 54, 0, 6
Luminance
0.1925
Every format
| HEX | #516ef1 |
| RGB | rgb(81, 110, 241) |
| HSL | hsl(229, 85%, 63%) |
| CMYK | cmyk(66%, 54%, 0%, 6%) |
| LAB | lab(51.0 31.0 -69.1) |
| LCH | lch(51.0 75.7 294.1) |
| OKLCH | oklch(0.589 0.199 269.9) |
Copy-ready code
/* CSS */
color: #516ef1;
background-color: #516ef1;
/* Tailwind (arbitrary) */
class="text-[#516ef1] bg-[#516ef1]"
/* SCSS */
$brand: #516ef1;
/* SwiftUI */
Color(red: 0.318, green: 0.431, blue: 0.945)
/* Android */
Color.parseColor("#516ef1")Accessibility — WCAG contrast
Aa
#516ef1 on white: 4.33:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#516ef1 on black: 4.85:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green43.1%
Blue94.5%
CMYK percentages
Cyan66.4%
Magenta54.4%
Yellow0.0%
Key (black)5.5%
Color previews
#516ef1 text on a black background
contrast 4.85:1
Card sample
#516ef1 text on a white background
contrast 4.33:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #516ef1;
Background color
Panel with #516ef1 background
background-color: #516ef1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #516ef1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 110, 241, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 110, 241, 0.45);
Border & gradient
Gradient panel
border: 3px solid #516ef1; background: linear-gradient(135deg, #516ef1, #9F51F1);