The hex color #5c55df is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#A3AA20. The grayscale version is
#858585. A 20% lighter version of the original color is
#8F88FF, and Hex
#2922AC is the 20% darker color. If the color is saturated by 10%, you get
#5850E8. If the color is desaturated by 10%, the color
#605AD6 is obtained.