#42cdf4
a balanced, electric cyan · cool · closest name: skyblue
RGB
66, 205, 244
HSL
193°, 89%, 61%
CMYK
73, 16, 0, 4
Luminance
0.5135
Every format
| HEX | #42cdf4 |
| RGB | rgb(66, 205, 244) |
| HSL | hsl(193, 89%, 61%) |
| CMYK | cmyk(73%, 16%, 0%, 4%) |
| LAB | lab(76.9 -24.4 -29.9) |
| LCH | lch(76.9 38.6 230.7) |
| OKLCH | oklch(0.791 0.128 220.9) |
Copy-ready code
/* CSS */
color: #42cdf4;
background-color: #42cdf4;
/* Tailwind (arbitrary) */
class="text-[#42cdf4] bg-[#42cdf4]"
/* SCSS */
$brand: #42cdf4;
/* SwiftUI */
Color(red: 0.259, green: 0.804, blue: 0.957)
/* Android */
Color.parseColor("#42cdf4")Accessibility — WCAG contrast
Aa
#42cdf4 on white: 1.86:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42cdf4 on black: 11.27:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green80.4%
Blue95.7%
CMYK percentages
Cyan73.0%
Magenta16.0%
Yellow0.0%
Key (black)4.3%
Color previews
#42cdf4 text on a black background
contrast 11.27:1
Card sample
#42cdf4 text on a white background
contrast 1.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42cdf4;
Background color
Panel with #42cdf4 background
background-color: #42cdf4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42cdf4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 205, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 205, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42cdf4; background: linear-gradient(135deg, #42cdf4, #4257F4);