The hex color #5f6dba is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#A09245. The grayscale version is
#828282. A 20% lighter version of the original color is
#92A0ED, and Hex
#2C3A87 is the 20% darker color. If the color is saturated by 10%, you get
#5C6BC0. If the color is desaturated by 10%, the color
#636FB4 is obtained.