#288DA4
Blue
HEX
RGB
HSL
About #288DA4 Blue
#288DA4 is a blue color. In the RGB color model, it is composed of 40 red, 141 green, and 164 blue. In the HSL color space, it has a hue of 191°, 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 #288DA4 in your CSS, SCSS, or Tailwind projects.
Color Properties
191°
Hue
61%
Saturation
40%
Lightness
Blue
Color Harmonies
Colors that work well with #288DA4 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #288DA4 against white and black backgrounds.
Aa#288DA4 on White
Contrast Ratio3.86:1
AA ✗AA Large ✓AAA ✗
Aa#288DA4 on Black
Contrast Ratio5.44:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #288DA4 across different color formats.
| Format | Value |
|---|---|
| HEX | #288DA4 |
| RGB | rgb(40, 141, 164) |
| HSL | hsl(191, 61%, 40%) |
| RGB Decimal | 40, 141, 164 |
| RGB Percent | 15.7%, 55.3%, 64.3% |
| CMYK (approx.) | 76%, 14%, 0%, 36% |
Related Palettes
12 palettes using #288DA4 or similar colors