The hex color #3a1a8f is a dark color. The web-safe version is Hex
#333399. A complementary color is
#C5E570. The grayscale version is
#4C4C4C. A 20% lighter version of the original color is
#6D4DC2, and Hex
#07005C is the 20% darker color. If the color is saturated by 10%, you get
#381596. If the color is desaturated by 10%, the color
#3C1F88 is obtained.