#42cfdf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
66, 207, 223
HSL
186°, 71%, 57%
CMYK
70, 7, 0, 13
Luminance
0.5111
Every format
| HEX | #42cfdf |
| RGB | rgb(66, 207, 223) |
| HSL | hsl(186, 71%, 57%) |
| CMYK | cmyk(70%, 7%, 0%, 13%) |
| LAB | lab(76.7 -31.8 -18.8) |
| LCH | lch(76.7 37.0 210.6) |
| OKLCH | oklch(0.787 0.119 206.1) |
Copy-ready code
/* CSS */
color: #42cfdf;
background-color: #42cfdf;
/* Tailwind (arbitrary) */
class="text-[#42cfdf] bg-[#42cfdf]"
/* SCSS */
$brand: #42cfdf;
/* SwiftUI */
Color(red: 0.259, green: 0.812, blue: 0.875)
/* Android */
Color.parseColor("#42cfdf")Accessibility — WCAG contrast
Aa
#42cfdf on white: 1.87:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42cfdf on black: 11.22:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green81.2%
Blue87.5%
CMYK percentages
Cyan70.4%
Magenta7.2%
Yellow0.0%
Key (black)12.5%
Color previews
#42cfdf text on a black background
contrast 11.22:1
Card sample
#42cfdf text on a white background
contrast 1.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42cfdf;
Background color
Panel with #42cfdf background
background-color: #42cfdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42cfdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 207, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 207, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42cfdf; background: linear-gradient(135deg, #42cfdf, #4267DF);