The official PlayStation 4 colour palette contains a dark blue, black and white. The colour codes in Hex and RGB are provided below.

Source: PlayStation 4 Branding Guidelines

#ffffff
PS4 White
Hex: #ffffff
RGB: 255, 255, 255

#000000
PS4 Black
Hex: #000000
RGB: 0, 0, 0

#003791
PS4 Dark Blue
Hex: #003791
RGB: 0, 55, 145