#66ddee
a light, electric cyan · cool · closest name: skyblue
RGB
102, 221, 238
HSL
188°, 80%, 67%
CMYK
57, 7, 0, 7
Luminance
0.6071
Every format
| HEX | #66ddee |
| RGB | rgb(102, 221, 238) |
| HSL | hsl(188, 80%, 67%) |
| CMYK | cmyk(57%, 7%, 0%, 7%) |
| LAB | lab(82.2 -28.6 -18.4) |
| LCH | lch(82.2 34.1 212.8) |
| OKLCH | oklch(0.836 0.109 207.9) |
Copy-ready code
/* CSS */
color: #66ddee;
background-color: #66ddee;
/* Tailwind (arbitrary) */
class="text-[#66ddee] bg-[#66ddee]"
/* SCSS */
$brand: #66ddee;
/* SwiftUI */
Color(red: 0.400, green: 0.867, blue: 0.933)
/* Android */
Color.parseColor("#66ddee")Accessibility — WCAG contrast
Aa
#66ddee on white: 1.60:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ddee on black: 13.14:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green86.7%
Blue93.3%
CMYK percentages
Cyan57.1%
Magenta7.1%
Yellow0.0%
Key (black)6.7%
Color previews
#66ddee text on a black background
contrast 13.14:1
Card sample
#66ddee text on a white background
contrast 1.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ddee;
Background color
Panel with #66ddee background
background-color: #66ddee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ddee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 221, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 221, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ddee; background: linear-gradient(135deg, #66ddee, #6682EE);