#40dafd
a balanced, electric cyan · cool · closest name: skyblue
RGB
64, 218, 253
HSL
191°, 98%, 62%
CMYK
75, 14, 0, 1
Luminance
0.5832
Every format
| HEX | #40dafd |
| RGB | rgb(64, 218, 253) |
| HSL | hsl(191, 98%, 62%) |
| CMYK | cmyk(75%, 14%, 0%, 1%) |
| LAB | lab(80.9 -28.3 -28.5) |
| LCH | lch(80.9 40.1 225.2) |
| OKLCH | oklch(0.824 0.133 216.9) |
Copy-ready code
/* CSS */
color: #40dafd;
background-color: #40dafd;
/* Tailwind (arbitrary) */
class="text-[#40dafd] bg-[#40dafd]"
/* SCSS */
$brand: #40dafd;
/* SwiftUI */
Color(red: 0.251, green: 0.855, blue: 0.992)
/* Android */
Color.parseColor("#40dafd")Accessibility — WCAG contrast
Aa
#40dafd on white: 1.66:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40dafd on black: 12.66:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green85.5%
Blue99.2%
CMYK percentages
Cyan74.7%
Magenta13.8%
Yellow0.0%
Key (black)0.8%
Color previews
#40dafd text on a black background
contrast 12.66:1
Card sample
#40dafd text on a white background
contrast 1.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40dafd;
Background color
Panel with #40dafd background
background-color: #40dafd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40dafd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 218, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 218, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40dafd; background: linear-gradient(135deg, #40dafd, #405CFD);