The hex color #8b4bcd is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#74B432. The grayscale version is
#8C8C8C. A 20% lighter version of the original color is
#BE7EFF, and Hex
#58189A is the 20% darker color. If the color is saturated by 10%, you get
#8B45D4. If the color is desaturated by 10%, the color
#8B51C6 is obtained.