The hex color #6c38e7 is a dark color. The web-safe version is Hex
#6633FF. A complementary color is
#93C718. The grayscale version is
#848484. A 20% lighter version of the original color is
#9F6BFF, and Hex
#3905B4 is the 20% darker color. If the color is saturated by 10%, you get
#6A30F1. If the color is desaturated by 10%, the color
#6E40DD is obtained.