The hex color #4b3586 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#B4CA79. The grayscale version is
#575757. A 20% lighter version of the original color is
#7E68B9, and Hex
#180253 is the 20% darker color. If the color is saturated by 10%, you get
#4A328B. If the color is desaturated by 10%, the color
#4C3881 is obtained.