#40cfe4
a balanced, electric cyan · cool · closest name: skyblue
RGB
64, 207, 228
HSL
188°, 75%, 57%
CMYK
72, 9, 0, 11
Luminance
0.5132
Every format
| HEX | #40cfe4 |
| RGB | rgb(64, 207, 228) |
| HSL | hsl(188, 75%, 57%) |
| CMYK | cmyk(72%, 9%, 0%, 11%) |
| LAB | lab(76.9 -30.6 -21.3) |
| LCH | lch(76.9 37.3 214.9) |
| OKLCH | oklch(0.789 0.121 209.4) |
Copy-ready code
/* CSS */
color: #40cfe4;
background-color: #40cfe4;
/* Tailwind (arbitrary) */
class="text-[#40cfe4] bg-[#40cfe4]"
/* SCSS */
$brand: #40cfe4;
/* SwiftUI */
Color(red: 0.251, green: 0.812, blue: 0.894)
/* Android */
Color.parseColor("#40cfe4")Accessibility — WCAG contrast
Aa
#40cfe4 on white: 1.86:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40cfe4 on black: 11.26:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green81.2%
Blue89.4%
CMYK percentages
Cyan71.9%
Magenta9.2%
Yellow0.0%
Key (black)10.6%
Color previews
#40cfe4 text on a black background
contrast 11.26:1
Card sample
#40cfe4 text on a white background
contrast 1.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40cfe4;
Background color
Panel with #40cfe4 background
background-color: #40cfe4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40cfe4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 207, 228, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 207, 228, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40cfe4; background: linear-gradient(135deg, #40cfe4, #4062E4);