The hex color #10646c is a dark color. The web-safe version is Hex
#006666. A complementary color is
#EF9B93. The grayscale version is
#4B4B4B. A 20% lighter version of the original color is
#43979F, and Hex
#003139 is the 20% darker color. If the color is saturated by 10%, you get
#0A676F. If the color is desaturated by 10%, the color
#166169 is obtained.