The hex color #8708cb is a dark color. The web-safe version is Hex
#9900CC. A complementary color is
#78F734. The grayscale version is
#737373. A 20% lighter version of the original color is
#BA3BFE, and Hex
#540098 is the 20% darker color. If the color is saturated by 10%, you get
#8900D4. If the color is desaturated by 10%, the color
#8513C2 is obtained.