#42cadf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
66, 202, 223
HSL
188°, 71%, 57%
CMYK
70, 9, 0, 13
Luminance
0.4873
Every format
| HEX | #42cadf |
| RGB | rgb(66, 202, 223) |
| HSL | hsl(188, 71%, 57%) |
| CMYK | cmyk(70%, 9%, 0%, 13%) |
| LAB | lab(75.3 -29.4 -21.0) |
| LCH | lch(75.3 36.1 215.6) |
| OKLCH | oklch(0.775 0.117 209.9) |
Copy-ready code
/* CSS */
color: #42cadf;
background-color: #42cadf;
/* Tailwind (arbitrary) */
class="text-[#42cadf] bg-[#42cadf]"
/* SCSS */
$brand: #42cadf;
/* SwiftUI */
Color(red: 0.259, green: 0.792, blue: 0.875)
/* Android */
Color.parseColor("#42cadf")Accessibility — WCAG contrast
Aa
#42cadf on white: 1.95:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42cadf on black: 10.75:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green79.2%
Blue87.5%
CMYK percentages
Cyan70.4%
Magenta9.4%
Yellow0.0%
Key (black)12.5%
Color previews
#42cadf text on a black background
contrast 10.75:1
Card sample
#42cadf text on a white background
contrast 1.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42cadf;
Background color
Panel with #42cadf background
background-color: #42cadf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42cadf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 202, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 202, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42cadf; background: linear-gradient(135deg, #42cadf, #4262DF);