The hex color #1e17e9 is a dark color. The web-safe version is Hex
#3300FF. A complementary color is
#E1E816. The grayscale version is
#5F5F5F. A 20% lighter version of the original color is
#514AFF, and Hex
#0000B6 is the 20% darker color. If the color is saturated by 10%, you get
#1710F7. If the color is desaturated by 10%, the color
#251EDB is obtained.