The hex color #565cec is a dark color. The web-safe version is Hex
#6666FF. A complementary color is
#A9A313. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#898FFF, and Hex
#2329B9 is the 20% darker color. If the color is saturated by 10%, you get
#5157F6. If the color is desaturated by 10%, the color
#5B61E2 is obtained.