The hex color #1d65fb is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#E29A04. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#5098FF, and Hex
#0032C8 is the 20% darker color. If the color is saturated by 10%, you get
#1362FF. If the color is desaturated by 10%, the color
#2768EF is obtained.