Color pictures with a blue tone

Quick answer：

Color pictures with a blue tone refer to images that predominantly feature hues of blue. These can range from photographs with a blue dominant color scheme to digital images manipulated to emphasize the blue aspect of the scene. The use of blue tones can evoke various emotions and moods, such as calmness, serenity, or melancholy, depending on the context and intensity of the color. In photography and art, the application of blue tones can serve various aesthetic and symbolic purposes.