The hex color #1e65f4 is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#E19A0B. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#5198FF, and Hex
#0032C1 is the 20% darker color. If the color is saturated by 10%, you get
#1563FF. If the color is desaturated by 10%, the color
#2867E8 is obtained.