The hex color #4a38dd is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#B5C722. The grayscale version is
#757575. A 20% lighter version of the original color is
#7D6BFF, and Hex
#1705AA is the 20% darker color. If the color is saturated by 10%, you get
#4632E7. If the color is desaturated by 10%, the color
#4E3ED3 is obtained.