#40c8d3
a balanced, vivid cyan · cool · closest name: turquoise
RGB
64, 200, 211
HSL
185°, 63%, 54%
CMYK
70, 5, 0, 17
Luminance
0.4710
Every format
| HEX | #40c8d3 |
| RGB | rgb(64, 200, 211) |
| HSL | hsl(185, 63%, 54%) |
| CMYK | cmyk(70%, 5%, 0%, 17%) |
| LAB | lab(74.3 -32.3 -16.1) |
| LCH | lch(74.3 36.1 206.5) |
| OKLCH | oklch(0.766 0.115 203.0) |
Copy-ready code
/* CSS */
color: #40c8d3;
background-color: #40c8d3;
/* Tailwind (arbitrary) */
class="text-[#40c8d3] bg-[#40c8d3]"
/* SCSS */
$brand: #40c8d3;
/* SwiftUI */
Color(red: 0.251, green: 0.784, blue: 0.827)
/* Android */
Color.parseColor("#40c8d3")Accessibility — WCAG contrast
Aa
#40c8d3 on white: 2.02:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40c8d3 on black: 10.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green78.4%
Blue82.7%
CMYK percentages
Cyan69.7%
Magenta5.2%
Yellow0.0%
Key (black)17.3%
Color previews
#40c8d3 text on a black background
contrast 10.42:1
Card sample
#40c8d3 text on a white background
contrast 2.02:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40c8d3;
Background color
Panel with #40c8d3 background
background-color: #40c8d3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40c8d3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 200, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 200, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40c8d3; background: linear-gradient(135deg, #40c8d3, #4066D3);