#666edd
a balanced, vivid blue · warm · closest name: royalblue
RGB
102, 110, 221
HSL
236°, 64%, 63%
CMYK
54, 50, 0, 13
Luminance
0.1920
Every format
| HEX | #666edd |
| RGB | rgb(102, 110, 221) |
| HSL | hsl(236, 64%, 63%) |
| CMYK | cmyk(54%, 50%, 0%, 13%) |
| LAB | lab(50.9 28.1 -57.9) |
| LCH | lch(50.9 64.3 295.8) |
| OKLCH | oklch(0.588 0.167 276.9) |
Copy-ready code
/* CSS */
color: #666edd;
background-color: #666edd;
/* Tailwind (arbitrary) */
class="text-[#666edd] bg-[#666edd]"
/* SCSS */
$brand: #666edd;
/* SwiftUI */
Color(red: 0.400, green: 0.431, blue: 0.867)
/* Android */
Color.parseColor("#666edd")Accessibility — WCAG contrast
Aa
#666edd on white: 4.34:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#666edd on black: 4.84:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green43.1%
Blue86.7%
CMYK percentages
Cyan53.8%
Magenta50.2%
Yellow0.0%
Key (black)13.3%
Color previews
#666edd text on a black background
contrast 4.84:1
Card sample
#666edd text on a white background
contrast 4.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #666edd;
Background color
Panel with #666edd background
background-color: #666edd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #666edd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 110, 221, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 110, 221, 0.45);
Border & gradient
Gradient panel
border: 3px solid #666edd; background: linear-gradient(135deg, #666edd, #AD66DD);