#40cddf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
64, 205, 223
HSL
187°, 71%, 56%
CMYK
71, 8, 0, 13
Luminance
0.5008
Every format
| HEX | #40cddf |
| RGB | rgb(64, 205, 223) |
| HSL | hsl(187, 71%, 56%) |
| CMYK | cmyk(71%, 8%, 0%, 13%) |
| LAB | lab(76.1 -31.1 -19.8) |
| LCH | lch(76.1 36.9 212.4) |
| OKLCH | oklch(0.782 0.119 207.5) |
Copy-ready code
/* CSS */
color: #40cddf;
background-color: #40cddf;
/* Tailwind (arbitrary) */
class="text-[#40cddf] bg-[#40cddf]"
/* SCSS */
$brand: #40cddf;
/* SwiftUI */
Color(red: 0.251, green: 0.804, blue: 0.875)
/* Android */
Color.parseColor("#40cddf")Accessibility — WCAG contrast
Aa
#40cddf on white: 1.91:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40cddf on black: 11.02:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green80.4%
Blue87.5%
CMYK percentages
Cyan71.3%
Magenta8.1%
Yellow0.0%
Key (black)12.5%
Color previews
#40cddf text on a black background
contrast 11.02:1
Card sample
#40cddf text on a white background
contrast 1.91:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40cddf;
Background color
Panel with #40cddf background
background-color: #40cddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40cddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 205, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 205, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40cddf; background: linear-gradient(135deg, #40cddf, #4063DF);