#40dcfd
a balanced, electric cyan · cool · closest name: skyblue
RGB
64, 220, 253
HSL
191°, 98%, 62%
CMYK
75, 13, 0, 1
Luminance
0.5937
Every format
| HEX | #40dcfd |
| RGB | rgb(64, 220, 253) |
| HSL | hsl(191, 98%, 62%) |
| CMYK | cmyk(75%, 13%, 0%, 1%) |
| LAB | lab(81.5 -29.3 -27.6) |
| LCH | lch(81.5 40.2 223.3) |
| OKLCH | oklch(0.829 0.133 215.5) |
Copy-ready code
/* CSS */
color: #40dcfd;
background-color: #40dcfd;
/* Tailwind (arbitrary) */
class="text-[#40dcfd] bg-[#40dcfd]"
/* SCSS */
$brand: #40dcfd;
/* SwiftUI */
Color(red: 0.251, green: 0.863, blue: 0.992)
/* Android */
Color.parseColor("#40dcfd")Accessibility — WCAG contrast
Aa
#40dcfd on white: 1.63:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40dcfd on black: 12.87:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green86.3%
Blue99.2%
CMYK percentages
Cyan74.7%
Magenta13.0%
Yellow0.0%
Key (black)0.8%
Color previews
#40dcfd text on a black background
contrast 12.87:1
Card sample
#40dcfd text on a white background
contrast 1.63:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40dcfd;
Background color
Panel with #40dcfd background
background-color: #40dcfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40dcfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 220, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 220, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40dcfd; background: linear-gradient(135deg, #40dcfd, #405EFD);