The hex color #1b35e6 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#E4CA19. The grayscale version is
#676767. A 20% lighter version of the original color is
#4E68FF, and Hex
#0002B3 is the 20% darker color. If the color is saturated by 10%, you get
#1330F3. If the color is desaturated by 10%, the color
#233AD9 is obtained.