#42cefd
a balanced, electric cyan · cool · closest name: skyblue
RGB
66, 206, 253
HSL
195°, 98%, 63%
CMYK
74, 19, 0, 1
Luminance
0.5239
Every format
| HEX | #42cefd |
| RGB | rgb(66, 206, 253) |
| HSL | hsl(195, 98%, 63%) |
| CMYK | cmyk(74%, 19%, 0%, 1%) |
| LAB | lab(77.5 -22.1 -33.7) |
| LCH | lch(77.5 40.3 236.7) |
| OKLCH | oklch(0.797 0.133 225.1) |
Copy-ready code
/* CSS */
color: #42cefd;
background-color: #42cefd;
/* Tailwind (arbitrary) */
class="text-[#42cefd] bg-[#42cefd]"
/* SCSS */
$brand: #42cefd;
/* SwiftUI */
Color(red: 0.259, green: 0.808, blue: 0.992)
/* Android */
Color.parseColor("#42cefd")Accessibility — WCAG contrast
Aa
#42cefd on white: 1.83:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42cefd on black: 11.48:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green80.8%
Blue99.2%
CMYK percentages
Cyan73.9%
Magenta18.6%
Yellow0.0%
Key (black)0.8%
Color previews
#42cefd text on a black background
contrast 11.48:1
Card sample
#42cefd text on a white background
contrast 1.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42cefd;
Background color
Panel with #42cefd background
background-color: #42cefd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42cefd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 206, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 206, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42cefd; background: linear-gradient(135deg, #42cefd, #4251FD);