#288CF0
Vivid Blue
HEX
RGB
HSL
About #288CF0 Vivid Blue
#288CF0 is a vivid blue color. In the RGB color model, it is composed of 40 red, 140 green, and 240 blue. In the HSL color space, it has a hue of 210°, saturation of 87%, and lightness of 55%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With high saturation, it appears vibrant and eye-catching.
CSS Code
Use #288CF0 in your CSS, SCSS, or Tailwind projects.
Color Properties
210°
Hue
87%
Saturation
55%
Lightness
Vivid Blue
Color Harmonies
Colors that work well with #288CF0 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #288CF0 against white and black backgrounds.
Aa#288CF0 on White
Contrast Ratio3.44:1
AA ✗AA Large ✓AAA ✗
Aa#288CF0 on Black
Contrast Ratio6.1:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #288CF0 across different color formats.
| Format | Value |
|---|---|
| HEX | #288CF0 |
| RGB | rgb(40, 140, 240) |
| HSL | hsl(210, 87%, 55%) |
| RGB Decimal | 40, 140, 240 |
| RGB Percent | 15.7%, 54.9%, 94.1% |
| CMYK (approx.) | 83%, 42%, 0%, 6% |
Related Palettes
12 palettes using #288CF0 or similar colors