The hex color #1617d0 is a dark color. The web-safe version is Hex
#0000CC. A complementary color is
#E9E82F. The grayscale version is
#545454. A 20% lighter version of the original color is
#494AFF, and Hex
#00009D is the 20% darker color. If the color is saturated by 10%, you get
#1011DC. If the color is desaturated by 10%, the color
#1C1DC4 is obtained.