#288FA4
Blue
HEX
RGB
HSL
About #288FA4 Blue
#288FA4 is a blue color. In the RGB color model, it is composed of 40 red, 143 green, and 164 blue. In the HSL color space, it has a hue of 190°, saturation of 61%, and lightness of 40%.
This color has a low lightness value, making it a dark color great for text and bold accents. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #288FA4 in your CSS, SCSS, or Tailwind projects.
Color Properties
190°
Hue
61%
Saturation
40%
Lightness
Blue
Color Harmonies
Colors that work well with #288FA4 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #288FA4 against white and black backgrounds.
Aa#288FA4 on White
Contrast Ratio3.78:1
AA ✗AA Large ✓AAA ✗
Aa#288FA4 on Black
Contrast Ratio5.56:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #288FA4 across different color formats.
| Format | Value |
|---|---|
| HEX | #288FA4 |
| RGB | rgb(40, 143, 164) |
| HSL | hsl(190, 61%, 40%) |
| RGB Decimal | 40, 143, 164 |
| RGB Percent | 15.7%, 56.1%, 64.3% |
| CMYK (approx.) | 76%, 13%, 0%, 36% |
Related Palettes
12 palettes using #288FA4 or similar colors