The hex color #7439cc is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#8BC633. The grayscale version is
#7E7E7E. A 20% lighter version of the original color is
#A76CFF, and Hex
#410699 is the 20% darker color. If the color is saturated by 10%, you get
#7332D4. If the color is desaturated by 10%, the color
#7540C4 is obtained.