The hex color #596ec7 is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#A69138. The grayscale version is
#858585. A 20% lighter version of the original color is
#8CA1FA, and Hex
#263B94 is the 20% darker color. If the color is saturated by 10%, you get
#556CCE. If the color is desaturated by 10%, the color
#5D70C0 is obtained.