The hex color #a15bc0 is a dark color. The web-safe version is Hex
#9966CC. A complementary color is
#5EA43F. The grayscale version is
#949494. A 20% lighter version of the original color is
#D48EF3, and Hex
#6E288D is the 20% darker color. If the color is saturated by 10%, you get
#A255C4. If the color is desaturated by 10%, the color
#A061BC is obtained.