The hex color #492080 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#B6DF7F. The grayscale version is
#4E4E4E. A 20% lighter version of the original color is
#7C53B3, and Hex
#16004D is the 20% darker color. If the color is saturated by 10%, you get
#491B85. If the color is desaturated by 10%, the color
#49257B is obtained.