The hex color #4a38a6 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#B5C759. The grayscale version is
#636363. A 20% lighter version of the original color is
#7D6BD9, and Hex
#170573 is the 20% darker color. If the color is saturated by 10%, you get
#4834AD. If the color is desaturated by 10%, the color
#4C3C9F is obtained.