#40c8da
a balanced, vivid cyan · cool · closest name: skyblue
RGB
64, 200, 218
HSL
187°, 68%, 55%
CMYK
71, 8, 0, 15
Luminance
0.4746
Every format
| HEX | #40c8da |
| RGB | rgb(64, 200, 218) |
| HSL | hsl(187, 68%, 55%) |
| CMYK | cmyk(71%, 8%, 0%, 15%) |
| LAB | lab(74.5 -30.2 -19.5) |
| LCH | lch(74.5 36.0 212.9) |
| OKLCH | oklch(0.768 0.116 207.9) |
Copy-ready code
/* CSS */
color: #40c8da;
background-color: #40c8da;
/* Tailwind (arbitrary) */
class="text-[#40c8da] bg-[#40c8da]"
/* SCSS */
$brand: #40c8da;
/* SwiftUI */
Color(red: 0.251, green: 0.784, blue: 0.855)
/* Android */
Color.parseColor("#40c8da")Accessibility — WCAG contrast
Aa
#40c8da on white: 2.00:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40c8da on black: 10.49:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green78.4%
Blue85.5%
CMYK percentages
Cyan70.6%
Magenta8.3%
Yellow0.0%
Key (black)14.5%
Color previews
#40c8da text on a black background
contrast 10.49:1
Card sample
#40c8da text on a white background
contrast 2.00:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40c8da;
Background color
Panel with #40c8da background
background-color: #40c8da;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40c8da;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 200, 218, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 200, 218, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40c8da; background: linear-gradient(135deg, #40c8da, #4061DA);