The hex color #1a75cf is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E58A30. The grayscale version is
#757575. A 20% lighter version of the original color is
#4DA8FF, and Hex
#00429C is the 20% darker color. If the color is saturated by 10%, you get
#1175D8. If the color is desaturated by 10%, the color
#2375C6 is obtained.