#42c7eb
a balanced, electric cyan · cool · closest name: skyblue
RGB
66, 199, 235
HSL
193°, 81%, 59%
CMYK
72, 15, 0, 8
Luminance
0.4800
Every format
| HEX | #42c7eb |
| RGB | rgb(66, 199, 235) |
| HSL | hsl(193, 81%, 59%) |
| CMYK | cmyk(72%, 15%, 0%, 8%) |
| LAB | lab(74.8 -24.3 -28.2) |
| LCH | lch(74.8 37.2 229.3) |
| OKLCH | oklch(0.773 0.123 219.9) |
Copy-ready code
/* CSS */
color: #42c7eb;
background-color: #42c7eb;
/* Tailwind (arbitrary) */
class="text-[#42c7eb] bg-[#42c7eb]"
/* SCSS */
$brand: #42c7eb;
/* SwiftUI */
Color(red: 0.259, green: 0.780, blue: 0.922)
/* Android */
Color.parseColor("#42c7eb")Accessibility — WCAG contrast
Aa
#42c7eb on white: 1.98:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42c7eb on black: 10.60:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green78.0%
Blue92.2%
CMYK percentages
Cyan71.9%
Magenta15.3%
Yellow0.0%
Key (black)7.8%
Color previews
#42c7eb text on a black background
contrast 10.60:1
Card sample
#42c7eb text on a white background
contrast 1.98:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42c7eb;
Background color
Panel with #42c7eb background
background-color: #42c7eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42c7eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 199, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 199, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42c7eb; background: linear-gradient(135deg, #42c7eb, #4256EB);