The hex color #3b2753 is a dark color. The web-safe version is Hex
#333366. A complementary color is
#C4D8AC. The grayscale version is
#3C3C3C. A 20% lighter version of the original color is
#6E5A86, and Hex
#080020 is the 20% darker color. If the color is saturated by 10%, you get
#3B2555. If the color is desaturated by 10%, the color
#3B2951 is obtained.