The hex color #490c54 is a dark color. The web-safe version is Hex
#330066. A complementary color is
#B6F3AB. The grayscale version is
#383838. A 20% lighter version of the original color is
#7C3F87, and Hex
#160021 is the 20% darker color. If the color is saturated by 10%, you get
#4B0857. If the color is desaturated by 10%, the color
#471051 is obtained.