The hex color #196d9f is a dark color. The web-safe version is Hex
#006699. A complementary color is
#E69260. The grayscale version is
#626262. A 20% lighter version of the original color is
#4CA0D2, and Hex
#003A6C is the 20% darker color. If the color is saturated by 10%, you get
#126EA5. If the color is desaturated by 10%, the color
#206C99 is obtained.