The hex color #6e38d0 is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#91C72F. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#A16BFF, and Hex
#3B059D is the 20% darker color. If the color is saturated by 10%, you get
#6D31D8. If the color is desaturated by 10%, the color
#6F3FC8 is obtained.