#40bcdf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
64, 188, 223
HSL
193°, 71%, 56%
CMYK
71, 16, 0, 13
Luminance
0.4238
Every format
| HEX | #40bcdf |
| RGB | rgb(64, 188, 223) |
| HSL | hsl(193, 71%, 56%) |
| CMYK | cmyk(71%, 16%, 0%, 13%) |
| LAB | lab(71.1 -22.7 -27.4) |
| LCH | lch(71.1 35.5 230.3) |
| OKLCH | oklch(0.742 0.117 220.7) |
Copy-ready code
/* CSS */
color: #40bcdf;
background-color: #40bcdf;
/* Tailwind (arbitrary) */
class="text-[#40bcdf] bg-[#40bcdf]"
/* SCSS */
$brand: #40bcdf;
/* SwiftUI */
Color(red: 0.251, green: 0.737, blue: 0.875)
/* Android */
Color.parseColor("#40bcdf")Accessibility — WCAG contrast
Aa
#40bcdf on white: 2.22:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40bcdf on black: 9.48:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green73.7%
Blue87.5%
CMYK percentages
Cyan71.3%
Magenta15.7%
Yellow0.0%
Key (black)12.5%
Color previews
#40bcdf text on a black background
contrast 9.48:1
Card sample
#40bcdf text on a white background
contrast 2.22:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40bcdf;
Background color
Panel with #40bcdf background
background-color: #40bcdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40bcdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 188, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 188, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40bcdf; background: linear-gradient(135deg, #40bcdf, #4052DF);