The hex color #1a75c0 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E58A3F. The grayscale version is
#707070. A 20% lighter version of the original color is
#4DA8F3, and Hex
#00428D is the 20% darker color. If the color is saturated by 10%, you get
#1176C8. If the color is desaturated by 10%, the color
#2374B8 is obtained.