#40cfef
a balanced, electric cyan · cool · closest name: skyblue
RGB
64, 207, 239
HSL
191°, 85%, 59%
CMYK
73, 13, 0, 6
Luminance
0.5195
Every format
| HEX | #40cfef |
| RGB | rgb(64, 207, 239) |
| HSL | hsl(191, 85%, 59%) |
| CMYK | cmyk(73%, 13%, 0%, 6%) |
| LAB | lab(77.3 -27.2 -26.6) |
| LCH | lch(77.3 38.1 224.4) |
| OKLCH | oklch(0.793 0.125 216.3) |
Copy-ready code
/* CSS */
color: #40cfef;
background-color: #40cfef;
/* Tailwind (arbitrary) */
class="text-[#40cfef] bg-[#40cfef]"
/* SCSS */
$brand: #40cfef;
/* SwiftUI */
Color(red: 0.251, green: 0.812, blue: 0.937)
/* Android */
Color.parseColor("#40cfef")Accessibility — WCAG contrast
Aa
#40cfef on white: 1.84:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40cfef on black: 11.39:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green81.2%
Blue93.7%
CMYK percentages
Cyan73.2%
Magenta13.4%
Yellow0.0%
Key (black)6.3%
Color previews
#40cfef text on a black background
contrast 11.39:1
Card sample
#40cfef text on a white background
contrast 1.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40cfef;
Background color
Panel with #40cfef background
background-color: #40cfef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40cfef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 207, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 207, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40cfef; background: linear-gradient(135deg, #40cfef, #405AEF);