#516df3
a balanced, electric blue · warm · closest name: royalblue
RGB
81, 109, 243
HSL
230°, 87%, 64%
CMYK
67, 55, 0, 5
Luminance
0.1916
Every format
| HEX | #516df3 |
| RGB | rgb(81, 109, 243) |
| HSL | hsl(230, 87%, 64%) |
| CMYK | cmyk(67%, 55%, 0%, 5%) |
| LAB | lab(50.9 32.3 -70.4) |
| LCH | lch(50.9 77.5 294.6) |
| OKLCH | oklch(0.589 0.203 270.1) |
Copy-ready code
/* CSS */
color: #516df3;
background-color: #516df3;
/* Tailwind (arbitrary) */
class="text-[#516df3] bg-[#516df3]"
/* SCSS */
$brand: #516df3;
/* SwiftUI */
Color(red: 0.318, green: 0.427, blue: 0.953)
/* Android */
Color.parseColor("#516df3")Accessibility — WCAG contrast
Aa
#516df3 on white: 4.35:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#516df3 on black: 4.83:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green42.7%
Blue95.3%
CMYK percentages
Cyan66.7%
Magenta55.1%
Yellow0.0%
Key (black)4.7%
Color previews
#516df3 text on a black background
contrast 4.83:1
Card sample
#516df3 text on a white background
contrast 4.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #516df3;
Background color
Panel with #516df3 background
background-color: #516df3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #516df3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 109, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 109, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #516df3; background: linear-gradient(135deg, #516df3, #A151F3);