The hex color #9a1a09 is a dark color. The web-safe version is Hex
#993300. A complementary color is
#65E5F6. The grayscale version is
#3F3F3F. A 20% lighter version of the original color is
#CD4D3C, and Hex
#670000 is the 20% darker color. If the color is saturated by 10%, you get
#A31604. If the color is desaturated by 10%, the color
#911E0E is obtained.