#66cdf4
a light, electric cyan · cool · closest name: skyblue
RGB
102, 205, 244
HSL
197°, 87%, 68%
CMYK
58, 16, 0, 4
Luminance
0.5302
Every format
| HEX | #66cdf4 |
| RGB | rgb(102, 205, 244) |
| HSL | hsl(197, 87%, 68%) |
| CMYK | cmyk(58%, 16%, 0%, 4%) |
| LAB | lab(77.9 -19.0 -28.2) |
| LCH | lch(77.9 34.0 236.1) |
| OKLCH | oklch(0.802 0.110 225.5) |
Copy-ready code
/* CSS */
color: #66cdf4;
background-color: #66cdf4;
/* Tailwind (arbitrary) */
class="text-[#66cdf4] bg-[#66cdf4]"
/* SCSS */
$brand: #66cdf4;
/* SwiftUI */
Color(red: 0.400, green: 0.804, blue: 0.957)
/* Android */
Color.parseColor("#66cdf4")Accessibility — WCAG contrast
Aa
#66cdf4 on white: 1.81:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66cdf4 on black: 11.60:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green80.4%
Blue95.7%
CMYK percentages
Cyan58.2%
Magenta16.0%
Yellow0.0%
Key (black)4.3%
Color previews
#66cdf4 text on a black background
contrast 11.60:1
Card sample
#66cdf4 text on a white background
contrast 1.81:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66cdf4;
Background color
Panel with #66cdf4 background
background-color: #66cdf4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66cdf4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 205, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 205, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66cdf4; background: linear-gradient(135deg, #66cdf4, #666EF4);