#688DDF
Blue
HEX
RGB
HSL
About #688DDF Blue
#688DDF is a blue color. In the RGB color model, it is composed of 104 red, 141 green, and 223 blue. In the HSL color space, it has a hue of 221°, saturation of 65%, and lightness of 64%.
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 #688DDF in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
221°
Hue
65%
Saturation
64%
Lightness
Blue
Color Harmonies
Colors that work well with #688DDF based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #688DDF against white and black backgrounds.
Aa#688DDF on White
Contrast Ratio3.25:1
AA ✗AA Large ✓AAA ✗
Aa#688DDF on Black
Contrast Ratio6.46:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #688DDF across different color formats.
| Format | Value |
|---|---|
| HEX | #688DDF |
| RGB | rgb(104, 141, 223) |
| HSL | hsl(221, 65%, 64%) |
| RGB Decimal | 104, 141, 223 |
| RGB Percent | 40.8%, 55.3%, 87.5% |
| CMYK (approx.) | 53%, 37%, 0%, 13% |
Related Palettes
12 palettes using #688DDF or similar colors