The hex color #1a4acf is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E5B530. The grayscale version is
#666666. A 20% lighter version of the original color is
#4D7DFF, and Hex
#00179C is the 20% darker color. If the color is saturated by 10%, you get
#1247D9. If the color is desaturated by 10%, the color
#224DC5 is obtained.