The hex color #1d23e6 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#E2DC19. The grayscale version is
#626262. A 20% lighter version of the original color is
#5056FF, and Hex
#0000B3 is the 20% darker color. If the color is saturated by 10%, you get
#161DF3. If the color is desaturated by 10%, the color
#2429D9 is obtained.