The hex color #1a75cc is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#E58A33. The grayscale version is
#747474. A 20% lighter version of the original color is
#4DA8FF, and Hex
#004299 is the 20% darker color. If the color is saturated by 10%, you get
#1175D5. If the color is desaturated by 10%, the color
#2375C3 is obtained.