Showa era
English Red & Cerulian Blue
Plate 1 from Sanzo Wada's 1933 Dictionary of Color Combinations — English Red, Cerulian Blue.
blue · 8 palettes
Cerulian Blue is a deep, vivid blue tone. Its hex value is #0093a5 — that is
RGB 0, 147, 165, or HSL 187°, 100%, 32%.
It holds 5.7:1 contrast against dark, so Cerulian Blue works best for body text, headings, and UI labels. (On white it scores 3.7:1; on black 5.7:1.)
Across Sanzo Wada's 1933 Dictionary of Color Combinations, Cerulian Blue appears in 8 combinations — most often paired with English Red, Vistoris Lake and Pale Lemon Yellow.
Cerulian Blue appears in 8 combinations from the archive. Each pairing reveals how the same color shifts character depending on its neighbours.
From the archive
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