The hex color #00254c is a dark color. The web-safe version is Hex
#003333. A complementary color is
#FFDAB3. The grayscale version is
#262626. A 20% lighter version of the original color is
#33587F, and Hex
#000019 is the 20% darker color. If the color is saturated by 10%, you get
#002550. If the color is desaturated by 10%, the color
#042548 is obtained.