The hex color #34178c is a dark color. The web-safe version is Hex
#330099. A complementary color is
#CBE873. The grayscale version is
#484848. A 20% lighter version of the original color is
#674ABF, and Hex
#010059 is the 20% darker color. If the color is saturated by 10%, you get
#321293. If the color is desaturated by 10%, the color
#361C85 is obtained.