#638ADE
Blue
HEX
RGB
HSL
About #638ADE Blue
#638ADE is a blue color. In the RGB color model, it is composed of 99 red, 138 green, and 222 blue. In the HSL color space, it has a hue of 221°, saturation of 65%, and lightness of 63%.
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
Use #638ADE in your CSS, SCSS, or Tailwind projects.
Color Properties
221°
Hue
65%
Saturation
63%
Lightness
Blue
Color Harmonies
Colors that work well with #638ADE based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #638ADE against white and black backgrounds.
Aa#638ADE on White
Contrast Ratio3.38:1
AA ✗AA Large ✓AAA ✗
Aa#638ADE on Black
Contrast Ratio6.22:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #638ADE across different color formats.
| Format | Value |
|---|---|
| HEX | #638ADE |
| RGB | rgb(99, 138, 222) |
| HSL | hsl(221, 65%, 63%) |
| RGB Decimal | 99, 138, 222 |
| RGB Percent | 38.8%, 54.1%, 87.1% |
| CMYK (approx.) | 55%, 38%, 0%, 13% |
Related Palettes
12 palettes using #638ADE or similar colors