The hex color #596cc3 is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#A6933C. The grayscale version is
#838383. A 20% lighter version of the original color is
#8C9FF6, and Hex
#263990 is the 20% darker color. If the color is saturated by 10%, you get
#556AC9. If the color is desaturated by 10%, the color
#5D6EBD is obtained.