The hex color #1a79f6 is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#E58609. The grayscale version is
#838383. A 20% lighter version of the original color is
#4DACFF, and Hex
#0046C3 is the 20% darker color. If the color is saturated by 10%, you get
#1078FF. If the color is desaturated by 10%, the color
#257AEB is obtained.