#42ace2
a balanced, vivid blue · cool · closest name: steelblue
RGB
66, 172, 226
HSL
200°, 73%, 57%
CMYK
71, 24, 0, 11
Luminance
0.3615
Every format
| HEX | #42ace2 |
| RGB | rgb(66, 172, 226) |
| HSL | hsl(200, 73%, 57%) |
| CMYK | cmyk(71%, 24%, 0%, 11%) |
| LAB | lab(66.6 -13.1 -35.9) |
| LCH | lch(66.6 38.2 250.0) |
| OKLCH | oklch(0.707 0.124 234.8) |
Copy-ready code
/* CSS */
color: #42ace2;
background-color: #42ace2;
/* Tailwind (arbitrary) */
class="text-[#42ace2] bg-[#42ace2]"
/* SCSS */
$brand: #42ace2;
/* SwiftUI */
Color(red: 0.259, green: 0.675, blue: 0.886)
/* Android */
Color.parseColor("#42ace2")Accessibility — WCAG contrast
Aa
#42ace2 on white: 2.55:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42ace2 on black: 8.23:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green67.5%
Blue88.6%
CMYK percentages
Cyan70.8%
Magenta23.9%
Yellow0.0%
Key (black)11.4%
Color previews
#42ace2 text on a black background
contrast 8.23:1
Card sample
#42ace2 text on a white background
contrast 2.55:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42ace2;
Background color
Panel with #42ace2 background
background-color: #42ace2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42ace2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 172, 226, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 172, 226, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42ace2; background: linear-gradient(135deg, #42ace2, #4342E2);