#428CD1
Blue
HEX
RGB
HSL
About #428CD1 Blue
#428CD1 is a blue color. In the RGB color model, it is composed of 66 red, 140 green, and 209 blue. In the HSL color space, it has a hue of 209°, 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 & Gradients
Use #428CD1 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
209°
Hue
61%
Saturation
54%
Lightness
Blue
Color Harmonies
Colors that work well with #428CD1 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #428CD1 against white and black backgrounds.
Aa#428CD1 on White
Contrast Ratio3.56:1
AA ✗AA Large ✓AAA ✗
Aa#428CD1 on Black
Contrast Ratio5.9:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #428CD1 across different color formats.
| Format | Value |
|---|---|
| HEX | #428CD1 |
| RGB | rgb(66, 140, 209) |
| HSL | hsl(209, 61%, 54%) |
| RGB Decimal | 66, 140, 209 |
| RGB Percent | 25.9%, 54.9%, 82.0% |
| CMYK (approx.) | 68%, 33%, 0%, 18% |
Related Palettes
12 palettes using #428CD1 or similar colors