The hex color #a74efa is a dark color. The web-safe version is Hex
#9966FF. A complementary color is
#58B105. The grayscale version is
#A5A5A5. A 20% lighter version of the original color is
#DA81FF, and Hex
#741BC7 is the 20% darker color. If the color is saturated by 10%, you get
#A745FF. If the color is desaturated by 10%, the color
#A757F2 is obtained.