#288B9F
Blue
HEX
RGB
HSL
About #288B9F Blue
#288B9F is a blue color. In the RGB color model, it is composed of 40 red, 139 green, and 159 blue. In the HSL color space, it has a hue of 190°, saturation of 60%, and lightness of 39%.
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 #288B9F in your CSS, SCSS, or Tailwind projects.
Color Properties
190°
Hue
60%
Saturation
39%
Lightness
Blue
Color Harmonies
Colors that work well with #288B9F based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #288B9F against white and black backgrounds.
Aa#288B9F on White
Contrast Ratio3.97:1
AA ✗AA Large ✓AAA ✗
Aa#288B9F on Black
Contrast Ratio5.28:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #288B9F across different color formats.
| Format | Value |
|---|---|
| HEX | #288B9F |
| RGB | rgb(40, 139, 159) |
| HSL | hsl(190, 60%, 39%) |
| RGB Decimal | 40, 139, 159 |
| RGB Percent | 15.7%, 54.5%, 62.4% |
| CMYK (approx.) | 75%, 13%, 0%, 38% |
Related Palettes
12 palettes using #288B9F or similar colors