The hex color #525a6c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#ADA593. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#858D9F, and Hex
#1F2739 is the 20% darker color. If the color is saturated by 10%, you get
#515A6D. If the color is desaturated by 10%, the color
#535A6B is obtained.