The hex color #3a75b8 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#C58A47. The grayscale version is
#787878. A 20% lighter version of the original color is
#6DA8EB, and Hex
#074285 is the 20% darker color. If the color is saturated by 10%, you get
#3475BE. If the color is desaturated by 10%, the color
#4075B2 is obtained.