#40dfd1
a balanced, vivid cyan · cool · “turquoise”
RGB
64, 223, 209
HSL
175°, 71%, 56%
CMYK
71, 0, 6, 13
Luminance
0.5847
Every format
| HEX | #40dfd1 |
| RGB | rgb(64, 223, 209) |
| HSL | hsl(175, 71%, 56%) |
| CMYK | cmyk(71%, 0%, 6%, 13%) |
| LAB | lab(81.0 -43.4 -5.0) |
| LCH | lch(81.0 43.7 186.5) |
| OKLCH | oklch(0.820 0.130 186.2) |
Copy-ready code
/* CSS */
color: #40dfd1;
background-color: #40dfd1;
/* Tailwind (arbitrary) */
class="text-[#40dfd1] bg-[#40dfd1]"
/* SCSS */
$brand: #40dfd1;
/* SwiftUI */
Color(red: 0.251, green: 0.875, blue: 0.820)
/* Android */
Color.parseColor("#40dfd1")Accessibility — WCAG contrast
Aa
#40dfd1 on white: 1.65:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40dfd1 on black: 12.69:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.5%
Blue82.0%
CMYK percentages
Cyan71.3%
Magenta0.0%
Yellow6.3%
Key (black)12.5%
Color previews
#40dfd1 text on a black background
contrast 12.69:1
Card sample
#40dfd1 text on a white background
contrast 1.65:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40dfd1;
Background color
Panel with #40dfd1 background
background-color: #40dfd1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40dfd1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 223, 209, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 223, 209, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40dfd1; background: linear-gradient(135deg, #40dfd1, #4083DF);