#40c5eb
a balanced, electric cyan · cool · closest name: skyblue
RGB
64, 197, 235
HSL
193°, 81%, 59%
CMYK
73, 16, 0, 8
Luminance
0.4702
Every format
| HEX | #40c5eb |
| RGB | rgb(64, 197, 235) |
| HSL | hsl(193, 81%, 59%) |
| CMYK | cmyk(73%, 16%, 0%, 8%) |
| LAB | lab(74.2 -23.5 -29.1) |
| LCH | lch(74.2 37.4 231.1) |
| OKLCH | oklch(0.768 0.124 221.2) |
Copy-ready code
/* CSS */
color: #40c5eb;
background-color: #40c5eb;
/* Tailwind (arbitrary) */
class="text-[#40c5eb] bg-[#40c5eb]"
/* SCSS */
$brand: #40c5eb;
/* SwiftUI */
Color(red: 0.251, green: 0.773, blue: 0.922)
/* Android */
Color.parseColor("#40c5eb")Accessibility — WCAG contrast
Aa
#40c5eb on white: 2.02:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40c5eb on black: 10.40:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green77.3%
Blue92.2%
CMYK percentages
Cyan72.8%
Magenta16.2%
Yellow0.0%
Key (black)7.8%
Color previews
#40c5eb text on a black background
contrast 10.40:1
Card sample
#40c5eb text on a white background
contrast 2.02:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40c5eb;
Background color
Panel with #40c5eb background
background-color: #40c5eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40c5eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 197, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 197, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40c5eb; background: linear-gradient(135deg, #40c5eb, #4053EB);