The hex color #6B0570 is a dark color. The web-safe version is Hex
#660066. A complementary color is
#94FA8F. The grayscale version is
#4B4B4B. A 20% lighter version of the original color is
#9E38A3, and Hex
#38003D is the 20% darker color. If the color is saturated by 10%, you get
#6E0074. If the color is desaturated by 10%, the color
#680C6C is obtained.