The passage describes the transition from day to night, depicting how the colors of daylight fade away. As the day ends, it suggests that the warmth and vibrancy of the day give way to a cooler, more subdued atmosphere. The imagery evokes a sense of calmness and reflection as the night encroaches, wrapping the surroundings in darker hues.
The author's choice of colors, like purple and blue-black, highlights the beauty and serenity of the evening. This transformation signifies a deeper emotional shift, inviting the reader to contemplate the changing nature of time and the feelings associated with dusk, portraying night as a comforting presence that envelops the world in tranquility.