The hex color #0189a7 is a dark color. The web-safe version is Hex
#009999. A complementary color is
#FE7658. The grayscale version is
#666666. A 20% lighter version of the original color is
#34BCDA, and Hex
#005674 is the 20% darker color. If the color is saturated by 10%, you get
#008DAE. If the color is desaturated by 10%, the color
#0B85A0 is obtained.