The hex color #7a64cc is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#859B33. The grayscale version is
#8E8E8E. A 20% lighter version of the original color is
#AD97FF, and Hex
#473199 is the 20% darker color. If the color is saturated by 10%, you get
#7860D2. If the color is desaturated by 10%, the color
#7C68C6 is obtained.