#42baeb
a balanced, electric cyan · cool · closest name: skyblue
RGB
66, 186, 235
HSL
197°, 81%, 59%
CMYK
72, 21, 0, 8
Luminance
0.4227
Every format
| HEX | #42baeb |
| RGB | rgb(66, 186, 235) |
| HSL | hsl(197, 81%, 59%) |
| CMYK | cmyk(72%, 21%, 0%, 8%) |
| LAB | lab(71.1 -17.6 -34.0) |
| LCH | lch(71.1 38.3 242.7) |
| OKLCH | oklch(0.743 0.126 229.4) |
Copy-ready code
/* CSS */
color: #42baeb;
background-color: #42baeb;
/* Tailwind (arbitrary) */
class="text-[#42baeb] bg-[#42baeb]"
/* SCSS */
$brand: #42baeb;
/* SwiftUI */
Color(red: 0.259, green: 0.729, blue: 0.922)
/* Android */
Color.parseColor("#42baeb")Accessibility — WCAG contrast
Aa
#42baeb on white: 2.22:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42baeb on black: 9.45:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green72.9%
Blue92.2%
CMYK percentages
Cyan71.9%
Magenta20.9%
Yellow0.0%
Key (black)7.8%
Color previews
#42baeb text on a black background
contrast 9.45:1
Card sample
#42baeb text on a white background
contrast 2.22:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42baeb;
Background color
Panel with #42baeb background
background-color: #42baeb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42baeb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 186, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 186, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42baeb; background: linear-gradient(135deg, #42baeb, #4249EB);