#40c3f0
a balanced, electric cyan · cool · closest name: skyblue
RGB
64, 195, 240
HSL
195°, 85%, 60%
CMYK
73, 19, 0, 6
Luminance
0.4641
Every format
| HEX | #40c3f0 |
| RGB | rgb(64, 195, 240) |
| HSL | hsl(195, 85%, 60%) |
| CMYK | cmyk(73%, 19%, 0%, 6%) |
| LAB | lab(73.8 -20.9 -32.4) |
| LCH | lch(73.8 38.6 237.2) |
| OKLCH | oklch(0.765 0.128 225.5) |
Copy-ready code
/* CSS */
color: #40c3f0;
background-color: #40c3f0;
/* Tailwind (arbitrary) */
class="text-[#40c3f0] bg-[#40c3f0]"
/* SCSS */
$brand: #40c3f0;
/* SwiftUI */
Color(red: 0.251, green: 0.765, blue: 0.941)
/* Android */
Color.parseColor("#40c3f0")Accessibility — WCAG contrast
Aa
#40c3f0 on white: 2.04:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40c3f0 on black: 10.28:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green76.5%
Blue94.1%
CMYK percentages
Cyan73.3%
Magenta18.8%
Yellow0.0%
Key (black)5.9%
Color previews
#40c3f0 text on a black background
contrast 10.28:1
Card sample
#40c3f0 text on a white background
contrast 2.04:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40c3f0;
Background color
Panel with #40c3f0 background
background-color: #40c3f0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40c3f0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 195, 240, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 195, 240, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40c3f0; background: linear-gradient(135deg, #40c3f0, #404EF0);