Purpureal

[G]liding thro' his daughter's honour'd ſhades, / The ſmooth Penéus from his glaſſy flood / Reflects purpureal Tempe's pleaſant ſcene?

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[T]he fair star / That gems the glittering coronet of morn, / Sheds not a light so mild, so powerful, / As that which, bursting from the Fairy's form, / Spread a purpureal halo round the scene, / Yet with an undulating motion, / Swayed to her outline gracefully.

Source: wiktionary

Of all that is most beauteous—imaged there / In happier beauty; more pellucid streams, / An ampler ether, a diviner air, / And fields invested with purpureal gleams; [...]

Source: wiktionary

But not ere him who summoneth / I first have seen, enwound / With glooming robes purpureal, cypress-crowned; [...]

Source: wiktionary