#40e2df
a balanced, vivid cyan · cool · closest name: turquoise
RGB
64, 226, 223
HSL
179°, 74%, 57%
CMYK
72, 0, 1, 11
Luminance
0.6081
Every format
| HEX | #40e2df |
| RGB | rgb(64, 226, 223) |
| HSL | hsl(179, 74%, 57%) |
| CMYK | cmyk(72%, 0%, 1%, 11%) |
| LAB | lab(82.3 -40.9 -10.5) |
| LCH | lch(82.3 42.2 194.4) |
| OKLCH | oklch(0.832 0.129 193.1) |
Copy-ready code
/* CSS */
color: #40e2df;
background-color: #40e2df;
/* Tailwind (arbitrary) */
class="text-[#40e2df] bg-[#40e2df]"
/* SCSS */
$brand: #40e2df;
/* SwiftUI */
Color(red: 0.251, green: 0.886, blue: 0.875)
/* Android */
Color.parseColor("#40e2df")Accessibility — WCAG contrast
Aa
#40e2df on white: 1.60:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40e2df on black: 13.16:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green88.6%
Blue87.5%
CMYK percentages
Cyan71.7%
Magenta0.0%
Yellow1.3%
Key (black)11.4%
Color previews
#40e2df text on a black background
contrast 13.16:1
Card sample
#40e2df text on a white background
contrast 1.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40e2df;
Background color
Panel with #40e2df background
background-color: #40e2df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40e2df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 226, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 226, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40e2df; background: linear-gradient(135deg, #40e2df, #4079E2);