The hex color #3f2364 is a dark color. The web-safe version is Hex
#333366. A complementary color is
#C0DC9B. The grayscale version is
#424242. A 20% lighter version of the original color is
#725697, and Hex
#0C0031 is the 20% darker color. If the color is saturated by 10%, you get
#3F2067. If the color is desaturated by 10%, the color
#3F2661 is obtained.