#66dfeb
a light, electric cyan · cool · closest name: skyblue
RGB
102, 223, 235
HSL
185°, 77%, 66%
CMYK
57, 5, 0, 8
Luminance
0.6160
Every format
| HEX | #66dfeb |
| RGB | rgb(102, 223, 235) |
| HSL | hsl(185, 77%, 66%) |
| CMYK | cmyk(57%, 5%, 0%, 8%) |
| LAB | lab(82.7 -30.4 -16.1) |
| LCH | lch(82.7 34.4 207.9) |
| OKLCH | oklch(0.839 0.109 204.1) |
Copy-ready code
/* CSS */
color: #66dfeb;
background-color: #66dfeb;
/* Tailwind (arbitrary) */
class="text-[#66dfeb] bg-[#66dfeb]"
/* SCSS */
$brand: #66dfeb;
/* SwiftUI */
Color(red: 0.400, green: 0.875, blue: 0.922)
/* Android */
Color.parseColor("#66dfeb")Accessibility — WCAG contrast
Aa
#66dfeb on white: 1.58:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66dfeb on black: 13.32:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green87.5%
Blue92.2%
CMYK percentages
Cyan56.6%
Magenta5.1%
Yellow0.0%
Key (black)7.8%
Color previews
#66dfeb text on a black background
contrast 13.32:1
Card sample
#66dfeb text on a white background
contrast 1.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66dfeb;
Background color
Panel with #66dfeb background
background-color: #66dfeb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66dfeb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 223, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 223, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66dfeb; background: linear-gradient(135deg, #66dfeb, #6686EB);