The hex color #3a0de7 is a dark color. The web-safe version is Hex
#3300FF. A complementary color is
#C5F218. The grayscale version is
#656565. A 20% lighter version of the original color is
#6D40FF, and Hex
#0700B4 is the 20% darker color. If the color is saturated by 10%, you get
#3604F4. If the color is desaturated by 10%, the color
#3E16DA is obtained.