The hex color #4d38e5 is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#B2C71A. The grayscale version is
#797979. A 20% lighter version of the original color is
#806BFF, and Hex
#1A05B2 is the 20% darker color. If the color is saturated by 10%, you get
#4932F0. If the color is desaturated by 10%, the color
#513EDA is obtained.