#40abdf
a balanced, vivid cyan · cool · closest name: steelblue
RGB
64, 171, 223
HSL
200°, 71%, 56%
CMYK
71, 23, 0, 13
Luminance
0.3554
Every format
| HEX | #40abdf |
| RGB | rgb(64, 171, 223) |
| HSL | hsl(200, 71%, 56%) |
| CMYK | cmyk(71%, 23%, 0%, 13%) |
| LAB | lab(66.2 -13.8 -35.0) |
| LCH | lch(66.2 37.6 248.5) |
| OKLCH | oklch(0.702 0.122 233.7) |
Copy-ready code
/* CSS */
color: #40abdf;
background-color: #40abdf;
/* Tailwind (arbitrary) */
class="text-[#40abdf] bg-[#40abdf]"
/* SCSS */
$brand: #40abdf;
/* SwiftUI */
Color(red: 0.251, green: 0.671, blue: 0.875)
/* Android */
Color.parseColor("#40abdf")Accessibility — WCAG contrast
Aa
#40abdf on white: 2.59:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40abdf on black: 8.11:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green67.1%
Blue87.5%
CMYK percentages
Cyan71.3%
Magenta23.3%
Yellow0.0%
Key (black)12.5%
Color previews
#40abdf text on a black background
contrast 8.11:1
Card sample
#40abdf text on a white background
contrast 2.59:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40abdf;
Background color
Panel with #40abdf background
background-color: #40abdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40abdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 171, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 171, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40abdf; background: linear-gradient(135deg, #40abdf, #4041DF);