The hex color #61657c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#9E9A83. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#9498AF, and Hex
#2E3249 is the 20% darker color. If the color is saturated by 10%, you get
#60647E. If the color is desaturated by 10%, the color
#62667A is obtained.