#40cbdf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
64, 203, 223
HSL
188°, 71%, 56%
CMYK
71, 9, 0, 13
Luminance
0.4913
Every format
| HEX | #40cbdf |
| RGB | rgb(64, 203, 223) |
| HSL | hsl(188, 71%, 56%) |
| CMYK | cmyk(71%, 9%, 0%, 13%) |
| LAB | lab(75.5 -30.1 -20.6) |
| LCH | lch(75.5 36.5 214.4) |
| OKLCH | oklch(0.777 0.118 209.0) |
Copy-ready code
/* CSS */
color: #40cbdf;
background-color: #40cbdf;
/* Tailwind (arbitrary) */
class="text-[#40cbdf] bg-[#40cbdf]"
/* SCSS */
$brand: #40cbdf;
/* SwiftUI */
Color(red: 0.251, green: 0.796, blue: 0.875)
/* Android */
Color.parseColor("#40cbdf")Accessibility — WCAG contrast
Aa
#40cbdf on white: 1.94:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40cbdf on black: 10.83:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green79.6%
Blue87.5%
CMYK percentages
Cyan71.3%
Magenta9.0%
Yellow0.0%
Key (black)12.5%
Color previews
#40cbdf text on a black background
contrast 10.83:1
Card sample
#40cbdf text on a white background
contrast 1.94:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40cbdf;
Background color
Panel with #40cbdf background
background-color: #40cbdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40cbdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 203, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 203, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40cbdf; background: linear-gradient(135deg, #40cbdf, #4061DF);