The hex color #5723cc is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#A8DC33. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#8A56FF, and Hex
#240099 is the 20% darker color. If the color is saturated by 10%, you get
#551CD6. If the color is desaturated by 10%, the color
#592AC2 is obtained.