The hex color #2a5d69 is a dark color. The web-safe version is Hex
#336666. A complementary color is
#D5A296. The grayscale version is
#505050. A 20% lighter version of the original color is
#5D909C, and Hex
#002A36 is the 20% darker color. If the color is saturated by 10%, you get
#265E6C. If the color is desaturated by 10%, the color
#2E5C67 is obtained.