#40b4c6
a balanced, vivid cyan · cool · closest name: skyblue
RGB
64, 180, 198
HSL
188°, 54%, 51%
CMYK
68, 9, 0, 22
Luminance
0.3781
Every format
| HEX | #40b4c6 |
| RGB | rgb(64, 180, 198) |
| HSL | hsl(188, 54%, 51%) |
| CMYK | cmyk(68%, 9%, 0%, 22%) |
| LAB | lab(67.9 -26.4 -18.6) |
| LCH | lch(67.9 32.3 215.2) |
| OKLCH | oklch(0.713 0.104 209.7) |
Copy-ready code
/* CSS */
color: #40b4c6;
background-color: #40b4c6;
/* Tailwind (arbitrary) */
class="text-[#40b4c6] bg-[#40b4c6]"
/* SCSS */
$brand: #40b4c6;
/* SwiftUI */
Color(red: 0.251, green: 0.706, blue: 0.776)
/* Android */
Color.parseColor("#40b4c6")Accessibility — WCAG contrast
Aa
#40b4c6 on white: 2.45:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40b4c6 on black: 8.56:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green70.6%
Blue77.6%
CMYK percentages
Cyan67.7%
Magenta9.1%
Yellow0.0%
Key (black)22.4%
Color previews
#40b4c6 text on a black background
contrast 8.56:1
Card sample
#40b4c6 text on a white background
contrast 2.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40b4c6;
Background color
Panel with #40b4c6 background
background-color: #40b4c6;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40b4c6;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 180, 198, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 180, 198, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40b4c6; background: linear-gradient(135deg, #40b4c6, #405BC6);