The hex color #770b49 is a dark color. The web-safe version is Hex
#660033. A complementary color is
#88F4B6. The grayscale version is
#444444. A 20% lighter version of the original color is
#AA3E7C, and Hex
#440016 is the 20% darker color. If the color is saturated by 10%, you get
#7C054A. If the color is desaturated by 10%, the color
#721148 is obtained.