The hex color #4a19c6 is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#B5E639. The grayscale version is
#636363. A 20% lighter version of the original color is
#7D4CF9, and Hex
#170093 is the 20% darker color. If the color is saturated by 10%, you get
#4812D0. If the color is desaturated by 10%, the color
#4D20BC is obtained.