The hex color #794ea9 is a dark color. The web-safe version is Hex
#666699. A complementary color is
#86B156. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#AC81DC, and Hex
#461B76 is the 20% darker color. If the color is saturated by 10%, you get
#794AAE. If the color is desaturated by 10%, the color
#7952A4 is obtained.