#40dfd8
a balanced, vivid cyan · cool · closest name: turquoise
RGB
64, 223, 216
HSL
177°, 71%, 56%
CMYK
71, 0, 3, 13
Luminance
0.5882
Every format
| HEX | #40dfd8 |
| RGB | rgb(64, 223, 216) |
| HSL | hsl(177, 71%, 56%) |
| CMYK | cmyk(71%, 0%, 3%, 13%) |
| LAB | lab(81.2 -41.5 -8.4) |
| LCH | lch(81.2 42.3 191.4) |
| OKLCH | oklch(0.823 0.128 190.6) |
Copy-ready code
/* CSS */
color: #40dfd8;
background-color: #40dfd8;
/* Tailwind (arbitrary) */
class="text-[#40dfd8] bg-[#40dfd8]"
/* SCSS */
$brand: #40dfd8;
/* SwiftUI */
Color(red: 0.251, green: 0.875, blue: 0.847)
/* Android */
Color.parseColor("#40dfd8")Accessibility — WCAG contrast
Aa
#40dfd8 on white: 1.65:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40dfd8 on black: 12.76:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.5%
Blue84.7%
CMYK percentages
Cyan71.3%
Magenta0.0%
Yellow3.1%
Key (black)12.5%
Color previews
#40dfd8 text on a black background
contrast 12.76:1
Card sample
#40dfd8 text on a white background
contrast 1.65:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40dfd8;
Background color
Panel with #40dfd8 background
background-color: #40dfd8;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40dfd8;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 223, 216, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 223, 216, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40dfd8; background: linear-gradient(135deg, #40dfd8, #407CDF);