#66b0dd
a balanced, vivid blue · cool · closest name: skyblue
RGB
102, 176, 221
HSL
203°, 64%, 63%
CMYK
54, 20, 0, 13
Luminance
0.3910
Every format
| HEX | #66b0dd |
| RGB | rgb(102, 176, 221) |
| HSL | hsl(203, 64%, 63%) |
| CMYK | cmyk(54%, 20%, 0%, 13%) |
| LAB | lab(68.8 -10.5 -29.7) |
| LCH | lch(68.8 31.5 250.6) |
| OKLCH | oklch(0.727 0.099 237.0) |
Copy-ready code
/* CSS */
color: #66b0dd;
background-color: #66b0dd;
/* Tailwind (arbitrary) */
class="text-[#66b0dd] bg-[#66b0dd]"
/* SCSS */
$brand: #66b0dd;
/* SwiftUI */
Color(red: 0.400, green: 0.690, blue: 0.867)
/* Android */
Color.parseColor("#66b0dd")Accessibility — WCAG contrast
Aa
#66b0dd on white: 2.38:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66b0dd on black: 8.82:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green69.0%
Blue86.7%
CMYK percentages
Cyan53.8%
Magenta20.4%
Yellow0.0%
Key (black)13.3%
Color previews
#66b0dd text on a black background
contrast 8.82:1
Card sample
#66b0dd text on a white background
contrast 2.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66b0dd;
Background color
Panel with #66b0dd background
background-color: #66b0dd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66b0dd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 176, 221, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 176, 221, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66b0dd; background: linear-gradient(135deg, #66b0dd, #6B66DD);