#42ade1
a balanced, vivid cyan · cool · closest name: steelblue
RGB
66, 173, 225
HSL
200°, 73%, 57%
CMYK
71, 23, 0, 12
Luminance
0.3648
Every format
| HEX | #42ade1 |
| RGB | rgb(66, 173, 225) |
| HSL | hsl(200, 73%, 57%) |
| CMYK | cmyk(71%, 23%, 0%, 12%) |
| LAB | lab(66.9 -13.9 -35.0) |
| LCH | lch(66.9 37.7 248.3) |
| OKLCH | oklch(0.708 0.122 233.6) |
Copy-ready code
/* CSS */
color: #42ade1;
background-color: #42ade1;
/* Tailwind (arbitrary) */
class="text-[#42ade1] bg-[#42ade1]"
/* SCSS */
$brand: #42ade1;
/* SwiftUI */
Color(red: 0.259, green: 0.678, blue: 0.882)
/* Android */
Color.parseColor("#42ade1")Accessibility — WCAG contrast
Aa
#42ade1 on white: 2.53:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42ade1 on black: 8.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green67.8%
Blue88.2%
CMYK percentages
Cyan70.7%
Magenta23.1%
Yellow0.0%
Key (black)11.8%
Color previews
#42ade1 text on a black background
contrast 8.30:1
Card sample
#42ade1 text on a white background
contrast 2.53:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42ade1;
Background color
Panel with #42ade1 background
background-color: #42ade1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42ade1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 173, 225, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 173, 225, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42ade1; background: linear-gradient(135deg, #42ade1, #4243E1);