The hex color #3a2683 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#C5D97C. The grayscale version is
#4C4C4C. A 20% lighter version of the original color is
#6D59B6, and Hex
#070050 is the 20% darker color. If the color is saturated by 10%, you get
#382289. If the color is desaturated by 10%, the color
#3C2A7D is obtained.