Frank J. Wilstach, comp. A Dictionary of Similes. 1916.

Blue

Blue as a whale.
—Anonymous

Blue as blue-bell bed.
—Anonymous

Blue as cobalt.
—Anonymous

Blue as forget-me-nots.
—Anonymous

Blue as indigo.
—Anonymous

Blue as melancholy.
—Anonymous

Blue as October skies.
—Anonymous

Blue as the soft azure surface of the southern sea.
—Anonymous

Blue as your nose on a cold day.
—Anonymous

Blue as the sky in spring.
—R. D. Blackmore

Blue as a vein o’er the Madonna’s breast.
—Robert Browning

Blue as shimmering steel.
—H. C. Bunner

Blue like the sea of a dream.
—Joseph Conrad

Waters blue as violet banks.
—Aubrey De Vere

A sky as blue as the enamel on the statuettes of Osiris.
—Théphile Gautier

Blue like a corpse.
—Nikolai V. Gogol

Blue as lips of death.
—Eugene Lee-Hamilton

Blue as tint of maiden’s eye.
—James Haskins

Blue each visage grew,
Just like a pullet’s gizzard.
—Thomas Hood

Sky as blue as June.
—Robert G. Ingersoll

Blue were her eyes as fairy-flax.
—Henry W. Longfellow

Lips, as blue as salt-water.
—Philip Massinger

Blue
And beautiful, like skies seen through
The sleeping wave.
—Thomas Moore

Blue as blazes.
—John Clay Neal

Blue as autumn’s skies.
—Winthrop Mackworth Praed

Blue … like a patch of fallen April sky.
—William Marion Reedy

Blue as the eyes of a saint.
—Francis S. Saltus

Blue as bilbery.
—William Shakespeare

Blue as the overhanging heaven.
—Percy Bysshe Shelley

Blue
As are the violets that hide
Our dewy earth from view.
—Evaleen Stein

Blue as plague.
—Algernon Charles Swinburne

Blue as heaven’s cloudless canopy.
—Esaias Tegner

Blue like an ancient Briton.
—William Makepeace Thackeray

Blue as with the cold.
—Israel Zangwill