The hex color #7a29cc is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#85D633. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#AD5CFF, and Hex
#470099 is the 20% darker color. If the color is saturated by 10%, you get
#7A21D4. If the color is desaturated by 10%, the color
#7A31C4 is obtained.