#42ade6
a balanced, electric blue · cool · closest name: steelblue
RGB
66, 173, 230
HSL
201°, 77%, 58%
CMYK
71, 25, 0, 10
Luminance
0.3676
Every format
| HEX | #42ade6 |
| RGB | rgb(66, 173, 230) |
| HSL | hsl(201, 77%, 58%) |
| CMYK | cmyk(71%, 25%, 0%, 10%) |
| LAB | lab(67.1 -12.3 -37.4) |
| LCH | lch(67.1 39.4 251.9) |
| OKLCH | oklch(0.711 0.127 236.0) |
Copy-ready code
/* CSS */
color: #42ade6;
background-color: #42ade6;
/* Tailwind (arbitrary) */
class="text-[#42ade6] bg-[#42ade6]"
/* SCSS */
$brand: #42ade6;
/* SwiftUI */
Color(red: 0.259, green: 0.678, blue: 0.902)
/* Android */
Color.parseColor("#42ade6")Accessibility — WCAG contrast
Aa
#42ade6 on white: 2.51:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42ade6 on black: 8.35:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green67.8%
Blue90.2%
CMYK percentages
Cyan71.3%
Magenta24.8%
Yellow0.0%
Key (black)9.8%
Color previews
#42ade6 text on a black background
contrast 8.35:1
Card sample
#42ade6 text on a white background
contrast 2.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42ade6;
Background color
Panel with #42ade6 background
background-color: #42ade6;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42ade6;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 173, 230, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 173, 230, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42ade6; background: linear-gradient(135deg, #42ade6, #4442E6);