#40cfe3
a balanced, vivid cyan · cool · closest name: skyblue
RGB
64, 207, 227
HSL
187°, 74%, 57%
CMYK
72, 9, 0, 11
Luminance
0.5126
Every format
| HEX | #40cfe3 |
| RGB | rgb(64, 207, 227) |
| HSL | hsl(187, 74%, 57%) |
| CMYK | cmyk(72%, 9%, 0%, 11%) |
| LAB | lab(76.8 -30.9 -20.8) |
| LCH | lch(76.8 37.2 214.0) |
| OKLCH | oklch(0.788 0.120 208.7) |
Copy-ready code
/* CSS */
color: #40cfe3;
background-color: #40cfe3;
/* Tailwind (arbitrary) */
class="text-[#40cfe3] bg-[#40cfe3]"
/* SCSS */
$brand: #40cfe3;
/* SwiftUI */
Color(red: 0.251, green: 0.812, blue: 0.890)
/* Android */
Color.parseColor("#40cfe3")Accessibility — WCAG contrast
Aa
#40cfe3 on white: 1.87:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40cfe3 on black: 11.25:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green81.2%
Blue89.0%
CMYK percentages
Cyan71.8%
Magenta8.8%
Yellow0.0%
Key (black)11.0%
Color previews
#40cfe3 text on a black background
contrast 11.25:1
Card sample
#40cfe3 text on a white background
contrast 1.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40cfe3;
Background color
Panel with #40cfe3 background
background-color: #40cfe3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40cfe3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 207, 227, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 207, 227, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40cfe3; background: linear-gradient(135deg, #40cfe3, #4062E3);