#0066ee
a balanced, electric blue · cool · closest name: royalblue
RGB
0, 102, 238
HSL
214°, 100%, 47%
CMYK
100, 57, 0, 7
Luminance
0.1568
Every format
| HEX | #0066ee |
| RGB | rgb(0, 102, 238) |
| HSL | hsl(214, 100%, 47%) |
| CMYK | cmyk(100%, 57%, 0%, 7%) |
| LAB | lab(46.5 28.7 -74.8) |
| LCH | lch(46.5 80.1 291.0) |
| OKLCH | oklch(0.549 0.220 259.7) |
Copy-ready code
/* CSS */
color: #0066ee;
background-color: #0066ee;
/* Tailwind (arbitrary) */
class="text-[#0066ee] bg-[#0066ee]"
/* SCSS */
$brand: #0066ee;
/* SwiftUI */
Color(red: 0.000, green: 0.400, blue: 0.933)
/* Android */
Color.parseColor("#0066ee")Accessibility — WCAG contrast
Aa
#0066ee on white: 5.08:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0066ee on black: 4.14:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green40.0%
Blue93.3%
CMYK percentages
Cyan100.0%
Magenta57.1%
Yellow0.0%
Key (black)6.7%
Color previews
#0066ee text on a black background
contrast 4.14:1
Card sample
#0066ee text on a white background
contrast 5.08:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0066ee;
Background color
Panel with #0066ee background
background-color: #0066ee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0066ee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 102, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 102, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0066ee; background: linear-gradient(135deg, #0066ee, #3900EE);