#42A9D1
Blue
HEX
RGB
HSL
About #42A9D1 Blue
#42A9D1 is a blue color. In the RGB color model, it is composed of 66 red, 169 green, and 209 blue. In the HSL color space, it has a hue of 197°, saturation of 61%, and lightness of 54%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #42A9D1 in your CSS, SCSS, or Tailwind projects.
Color Properties
197°
Hue
61%
Saturation
54%
Lightness
Blue
Color Harmonies
Colors that work well with #42A9D1 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #42A9D1 against white and black backgrounds.
Aa#42A9D1 on White
Contrast Ratio2.68:1
AA ✗AA Large ✗AAA ✗
Aa#42A9D1 on Black
Contrast Ratio7.83:1
AA ✓AA Large ✓AAA ✓
Color Conversion Table
Complete conversion of #42A9D1 across different color formats.
| Format | Value |
|---|---|
| HEX | #42A9D1 |
| RGB | rgb(66, 169, 209) |
| HSL | hsl(197, 61%, 54%) |
| RGB Decimal | 66, 169, 209 |
| RGB Percent | 25.9%, 66.3%, 82.0% |
| CMYK (approx.) | 68%, 19%, 0%, 18% |
Related Palettes
12 palettes using #42A9D1 or similar colors