#66ccff
a light, electric blue · cool · closest name: skyblue
RGB
102, 204, 255
HSL
200°, 100%, 70%
CMYK
60, 20, 0, 0
Luminance
0.5323
Every format
| HEX | #66ccff |
| RGB | rgb(102, 204, 255) |
| HSL | hsl(200, 100%, 70%) |
| CMYK | cmyk(60%, 20%, 0%, 0%) |
| LAB | lab(78.0 -15.2 -33.9) |
| LCH | lch(78.0 37.2 245.9) |
| OKLCH | oklch(0.804 0.119 232.7) |
Copy-ready code
/* CSS */
color: #66ccff;
background-color: #66ccff;
/* Tailwind (arbitrary) */
class="text-[#66ccff] bg-[#66ccff]"
/* SCSS */
$brand: #66ccff;
/* SwiftUI */
Color(red: 0.400, green: 0.800, blue: 1.000)
/* Android */
Color.parseColor("#66ccff")Accessibility — WCAG contrast
Aa
#66ccff on white: 1.80:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ccff on black: 11.65:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green80.0%
Blue100.0%
CMYK percentages
Cyan60.0%
Magenta20.0%
Yellow0.0%
Key (black)0.0%
Color previews
#66ccff text on a black background
contrast 11.65:1
Card sample
#66ccff text on a white background
contrast 1.80:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ccff;
Background color
Panel with #66ccff background
background-color: #66ccff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ccff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 204, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 204, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ccff; background: linear-gradient(135deg, #66ccff, #6666FF);