#40bdf3
a balanced, electric cyan · cool · closest name: skyblue
RGB
64, 189, 243
HSL
198°, 88%, 60%
CMYK
74, 22, 0, 5
Luminance
0.4396
Every format
| HEX | #40bdf3 |
| RGB | rgb(64, 189, 243) |
| HSL | hsl(198, 88%, 60%) |
| CMYK | cmyk(74%, 22%, 0%, 5%) |
| LAB | lab(72.2 -16.8 -36.6) |
| LCH | lch(72.2 40.2 245.3) |
| OKLCH | oklch(0.753 0.132 231.2) |
Copy-ready code
/* CSS */
color: #40bdf3;
background-color: #40bdf3;
/* Tailwind (arbitrary) */
class="text-[#40bdf3] bg-[#40bdf3]"
/* SCSS */
$brand: #40bdf3;
/* SwiftUI */
Color(red: 0.251, green: 0.741, blue: 0.953)
/* Android */
Color.parseColor("#40bdf3")Accessibility — WCAG contrast
Aa
#40bdf3 on white: 2.14:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40bdf3 on black: 9.79:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green74.1%
Blue95.3%
CMYK percentages
Cyan73.7%
Magenta22.2%
Yellow0.0%
Key (black)4.7%
Color previews
#40bdf3 text on a black background
contrast 9.79:1
Card sample
#40bdf3 text on a white background
contrast 2.14:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40bdf3;
Background color
Panel with #40bdf3 background
background-color: #40bdf3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40bdf3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 189, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 189, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40bdf3; background: linear-gradient(135deg, #40bdf3, #4046F3);