The hex color #1637cc is a dark color. The web-safe version is Hex
#0033CC. A complementary color is
#E9C833. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#496AFF, and Hex
#000499 is the 20% darker color. If the color is saturated by 10%, you get
#0F33D7. If the color is desaturated by 10%, the color
#1D3BC1 is obtained.