#42ceeb
a balanced, electric cyan · cool · closest name: skyblue
RGB
66, 206, 235
HSL
190°, 81%, 59%
CMYK
72, 12, 0, 8
Luminance
0.5130
Every format
| HEX | #42ceeb |
| RGB | rgb(66, 206, 235) |
| HSL | hsl(190, 81%, 59%) |
| CMYK | cmyk(72%, 12%, 0%, 8%) |
| LAB | lab(76.9 -27.7 -25.1) |
| LCH | lch(76.9 37.4 222.1) |
| OKLCH | oklch(0.789 0.123 214.7) |
Copy-ready code
/* CSS */
color: #42ceeb;
background-color: #42ceeb;
/* Tailwind (arbitrary) */
class="text-[#42ceeb] bg-[#42ceeb]"
/* SCSS */
$brand: #42ceeb;
/* SwiftUI */
Color(red: 0.259, green: 0.808, blue: 0.922)
/* Android */
Color.parseColor("#42ceeb")Accessibility — WCAG contrast
Aa
#42ceeb on white: 1.87:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42ceeb on black: 11.26:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green80.8%
Blue92.2%
CMYK percentages
Cyan71.9%
Magenta12.3%
Yellow0.0%
Key (black)7.8%
Color previews
#42ceeb text on a black background
contrast 11.26:1
Card sample
#42ceeb text on a white background
contrast 1.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42ceeb;
Background color
Panel with #42ceeb background
background-color: #42ceeb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42ceeb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 206, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 206, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42ceeb; background: linear-gradient(135deg, #42ceeb, #425DEB);