The hex color #b738bb is a dark color. The web-safe version is Hex
#CC33CC. A complementary color is
#48C744. The grayscale version is
#8E8E8E. A 20% lighter version of the original color is
#EA6BEE, and Hex
#840588 is the 20% darker color. If the color is saturated by 10%, you get
#BB2FC0. If the color is desaturated by 10%, the color
#B341B7 is obtained.