The hex color #1625dd is a dark color. The web-safe version is Hex
#0033CC. A complementary color is
#E9DA22. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#4958FF, and Hex
#0000AA is the 20% darker color. If the color is saturated by 10%, you get
#0F1FEA. If the color is desaturated by 10%, the color
#1D2BD0 is obtained.