The hex color #6f30d0 is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#90CF2F. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#A263FF, and Hex
#3C009D is the 20% darker color. If the color is saturated by 10%, you get
#6E29D9. If the color is desaturated by 10%, the color
#7037C7 is obtained.