#40c5ff
a balanced, electric cyan · cool · closest name: skyblue
RGB
64, 197, 255
HSL
198°, 100%, 63%
CMYK
75, 23, 0, 0
Luminance
0.4824
Every format
| HEX | #40c5ff |
| RGB | rgb(64, 197, 255) |
| HSL | hsl(198, 100%, 63%) |
| CMYK | cmyk(75%, 23%, 0%, 0%) |
| LAB | lab(75.0 -17.1 -38.7) |
| LCH | lch(75.0 42.3 246.2) |
| OKLCH | oklch(0.777 0.139 231.7) |
Copy-ready code
/* CSS */
color: #40c5ff;
background-color: #40c5ff;
/* Tailwind (arbitrary) */
class="text-[#40c5ff] bg-[#40c5ff]"
/* SCSS */
$brand: #40c5ff;
/* SwiftUI */
Color(red: 0.251, green: 0.773, blue: 1.000)
/* Android */
Color.parseColor("#40c5ff")Accessibility — WCAG contrast
Aa
#40c5ff on white: 1.97:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40c5ff on black: 10.65:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green77.3%
Blue100.0%
CMYK percentages
Cyan74.9%
Magenta22.7%
Yellow0.0%
Key (black)0.0%
Color previews
#40c5ff text on a black background
contrast 10.65:1
Card sample
#40c5ff text on a white background
contrast 1.97:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40c5ff;
Background color
Panel with #40c5ff background
background-color: #40c5ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40c5ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 197, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 197, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40c5ff; background: linear-gradient(135deg, #40c5ff, #4045FF);