This is the 7008th most frequent Japanese word.
ムラサキ
Purple.
The word ムラサキ is used here as a descriptive color to refer to the shade of purple in the sky during dusk.
空がムラサキ色に染まる夕暮れ時が美しいです。
The dusk time when the sky turns purple is beautiful.
ムラサキ here indicates the color of the clothing that someone is wearing.
彼女はムラサキの服を着ています。
She is wearing purple clothing.
ムラサキ is used here to highlight the vividness of the color purple found in the flower.