The hex color #383ada is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#C7C525. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#6B6DFF, and Hex
#0507A7 is the 20% darker color. If the color is saturated by 10%, you get
#3335E5. If the color is desaturated by 10%, the color
#3D3FCF is obtained.