#40c8dc
a balanced, vivid cyan · cool · closest name: skyblue
RGB
64, 200, 220
HSL
188°, 69%, 56%
CMYK
71, 9, 0, 14
Luminance
0.4757
Every format
| HEX | #40c8dc |
| RGB | rgb(64, 200, 220) |
| HSL | hsl(188, 69%, 56%) |
| CMYK | cmyk(71%, 9%, 0%, 14%) |
| LAB | lab(74.5 -29.6 -20.5) |
| LCH | lch(74.5 36.0 214.7) |
| OKLCH | oklch(0.769 0.117 209.3) |
Copy-ready code
/* CSS */
color: #40c8dc;
background-color: #40c8dc;
/* Tailwind (arbitrary) */
class="text-[#40c8dc] bg-[#40c8dc]"
/* SCSS */
$brand: #40c8dc;
/* SwiftUI */
Color(red: 0.251, green: 0.784, blue: 0.863)
/* Android */
Color.parseColor("#40c8dc")Accessibility — WCAG contrast
Aa
#40c8dc on white: 2.00:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40c8dc on black: 10.51:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green78.4%
Blue86.3%
CMYK percentages
Cyan70.9%
Magenta9.1%
Yellow0.0%
Key (black)13.7%
Color previews
#40c8dc text on a black background
contrast 10.51:1
Card sample
#40c8dc text on a white background
contrast 2.00:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40c8dc;
Background color
Panel with #40c8dc background
background-color: #40c8dc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40c8dc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 200, 220, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 200, 220, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40c8dc; background: linear-gradient(135deg, #40c8dc, #4060DC);