The hex color #563ddd is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#A9C222. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#8970FF, and Hex
#230AAA is the 20% darker color. If the color is saturated by 10%, you get
#5237E7. If the color is desaturated by 10%, the color
#5A43D3 is obtained.