The hex color #3d44fb is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#C2BB04. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#7077FF, and Hex
#0A11C8 is the 20% darker color. If the color is saturated by 10%, you get
#363EFF. If the color is desaturated by 10%, the color
#444AEF is obtained.