The hex color #2a38f0 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#D5C70F. The grayscale version is
#717171. A 20% lighter version of the original color is
#5D6BFF, and Hex
#0005BD is the 20% darker color. If the color is saturated by 10%, you get
#2332FD. If the color is desaturated by 10%, the color
#313EE3 is obtained.