#42ade7
a balanced, electric blue · cool · closest name: steelblue
RGB
66, 173, 231
HSL
201°, 78%, 58%
CMYK
71, 25, 0, 9
Luminance
0.3681
Every format
| HEX | #42ade7 |
| RGB | rgb(66, 173, 231) |
| HSL | hsl(201, 78%, 58%) |
| CMYK | cmyk(71%, 25%, 0%, 9%) |
| LAB | lab(67.1 -11.9 -37.9) |
| LCH | lch(67.1 39.7 252.5) |
| OKLCH | oklch(0.711 0.128 236.5) |
Copy-ready code
/* CSS */
color: #42ade7;
background-color: #42ade7;
/* Tailwind (arbitrary) */
class="text-[#42ade7] bg-[#42ade7]"
/* SCSS */
$brand: #42ade7;
/* SwiftUI */
Color(red: 0.259, green: 0.678, blue: 0.906)
/* Android */
Color.parseColor("#42ade7")Accessibility — WCAG contrast
Aa
#42ade7 on white: 2.51:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42ade7 on black: 8.36:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green67.8%
Blue90.6%
CMYK percentages
Cyan71.4%
Magenta25.1%
Yellow0.0%
Key (black)9.4%
Color previews
#42ade7 text on a black background
contrast 8.36:1
Card sample
#42ade7 text on a white background
contrast 2.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42ade7;
Background color
Panel with #42ade7 background
background-color: #42ade7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42ade7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 173, 231, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 173, 231, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42ade7; background: linear-gradient(135deg, #42ade7, #4542E7);