The hex color #5E75DA is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#A18A25. The grayscale version is
#8F8F8F. A 20% lighter version of the original color is
#91A8FF, and Hex
#2B42A7 is the 20% darker color. If the color is saturated by 10%, you get
#5972E2. If the color is desaturated by 10%, the color
#6378D3 is obtained.