The hex color #2d38f2 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#D2C70D. The grayscale version is
#727272. A 20% lighter version of the original color is
#606BFF, and Hex
#0005BF is the 20% darker color. If the color is saturated by 10%, you get
#2632FF. If the color is desaturated by 10%, the color
#343EE5 is obtained.