#66bbcc
a balanced, vivid cyan · cool · closest name: skyblue
RGB
102, 187, 204
HSL
190°, 50%, 60%
CMYK
50, 8, 0, 20
Luminance
0.4273
Every format
| HEX | #66bbcc |
| RGB | rgb(102, 187, 204) |
| HSL | hsl(190, 50%, 60%) |
| CMYK | cmyk(50%, 8%, 0%, 20%) |
| LAB | lab(71.4 -21.1 -16.5) |
| LCH | lch(71.4 26.8 218.0) |
| OKLCH | oklch(0.745 0.086 212.1) |
Copy-ready code
/* CSS */
color: #66bbcc;
background-color: #66bbcc;
/* Tailwind (arbitrary) */
class="text-[#66bbcc] bg-[#66bbcc]"
/* SCSS */
$brand: #66bbcc;
/* SwiftUI */
Color(red: 0.400, green: 0.733, blue: 0.800)
/* Android */
Color.parseColor("#66bbcc")Accessibility — WCAG contrast
Aa
#66bbcc on white: 2.20:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66bbcc on black: 9.55:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green73.3%
Blue80.0%
CMYK percentages
Cyan50.0%
Magenta8.3%
Yellow0.0%
Key (black)20.0%
Color previews
#66bbcc text on a black background
contrast 9.55:1
Card sample
#66bbcc text on a white background
contrast 2.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66bbcc;
Background color
Panel with #66bbcc background
background-color: #66bbcc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66bbcc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 187, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 187, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66bbcc; background: linear-gradient(135deg, #66bbcc, #6677CC);