#40ebff
a balanced, electric cyan · cool · closest name: cyan
RGB
64, 235, 255
HSL
186°, 100%, 63%
CMYK
75, 8, 0, 0
Luminance
0.6773
Every format
| HEX | #40ebff |
| RGB | rgb(64, 235, 255) |
| HSL | hsl(186, 100%, 63%) |
| CMYK | cmyk(75%, 8%, 0%, 0%) |
| LAB | lab(85.9 -35.8 -22.0) |
| LCH | lch(85.9 42.0 211.5) |
| OKLCH | oklch(0.864 0.136 206.8) |
Copy-ready code
/* CSS */
color: #40ebff;
background-color: #40ebff;
/* Tailwind (arbitrary) */
class="text-[#40ebff] bg-[#40ebff]"
/* SCSS */
$brand: #40ebff;
/* SwiftUI */
Color(red: 0.251, green: 0.922, blue: 1.000)
/* Android */
Color.parseColor("#40ebff")Accessibility — WCAG contrast
Aa
#40ebff on white: 1.44:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40ebff on black: 14.55:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green92.2%
Blue100.0%
CMYK percentages
Cyan74.9%
Magenta7.8%
Yellow0.0%
Key (black)0.0%
Color previews
#40ebff text on a black background
contrast 14.55:1
Card sample
#40ebff text on a white background
contrast 1.44:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40ebff;
Background color
Panel with #40ebff background
background-color: #40ebff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40ebff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 235, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 235, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40ebff; background: linear-gradient(135deg, #40ebff, #406BFF);