The hex color #7b03cf is a dark color. The web-safe version is Hex
#6600CC. A complementary color is
#84FC30. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#AE36FF, and Hex
#48009C is the 20% darker color. If the color is saturated by 10%, you get
#7C00D9. If the color is desaturated by 10%, the color
#7A0EC5 is obtained.