The hex color #7a19a3 is a dark color. The web-safe version is Hex
#660099. A complementary color is
#85E65C. The grayscale version is
#676767. A 20% lighter version of the original color is
#AD4CD6, and Hex
#470070 is the 20% darker color. If the color is saturated by 10%, you get
#7C11A9. If the color is desaturated by 10%, the color
#78219D is obtained.