#0066dd
a dark, electric blue · cool · closest name: royalblue
RGB
0, 102, 221
HSL
212°, 100%, 43%
CMYK
100, 54, 0, 13
Luminance
0.1472
Every format
| HEX | #0066dd |
| RGB | rgb(0, 102, 221) |
| HSL | hsl(212, 100%, 43%) |
| CMYK | cmyk(100%, 54%, 0%, 13%) |
| LAB | lab(45.3 22.1 -67.3) |
| LCH | lch(45.3 70.8 288.2) |
| OKLCH | oklch(0.535 0.199 258.1) |
Copy-ready code
/* CSS */
color: #0066dd;
background-color: #0066dd;
/* Tailwind (arbitrary) */
class="text-[#0066dd] bg-[#0066dd]"
/* SCSS */
$brand: #0066dd;
/* SwiftUI */
Color(red: 0.000, green: 0.400, blue: 0.867)
/* Android */
Color.parseColor("#0066dd")Accessibility — WCAG contrast
Aa
#0066dd on white: 5.32:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0066dd on black: 3.94:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green40.0%
Blue86.7%
CMYK percentages
Cyan100.0%
Magenta53.8%
Yellow0.0%
Key (black)13.3%
Color previews
#0066dd text on a black background
contrast 3.94:1
Card sample
#0066dd text on a white background
contrast 5.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0066dd;
Background color
Panel with #0066dd background
background-color: #0066dd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0066dd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 102, 221, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 102, 221, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0066dd; background: linear-gradient(135deg, #0066dd, #2D00DD);