The hex color #335a7c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#CCA583. The grayscale version is
#585858. A 20% lighter version of the original color is
#668DAF, and Hex
#002749 is the 20% darker color. If the color is saturated by 10%, you get
#2F5A80. If the color is desaturated by 10%, the color
#375A78 is obtained.