The hex color #1f18cb is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#E0E734. The grayscale version is
#565656. A 20% lighter version of the original color is
#524BFE, and Hex
#000098 is the 20% darker color. If the color is saturated by 10%, you get
#1A12D7. If the color is desaturated by 10%, the color
#251EBF is obtained.