Showa era
Carmine & Dusky Green +1
Plate 225 from Sanzo Wada's 1933 Dictionary of Color Combinations — Carmine, Dusky Green, Dark Slate Purple.
#704357
purple · 2 palettes
Dark Slate Purple
About Dark Slate Purple
Dark Slate Purple is a deep, muted purple tone. Its hex value is #704357 — that is
RGB 112, 67, 87, or HSL 333°, 25%, 35%.
It holds 8.0:1 contrast against white, so Dark Slate Purple works best for body text, headings, and UI labels. (On white it scores 8.0:1; on black 2.6:1.)
Across Sanzo Wada's 1933 Dictionary of Color Combinations, Dark Slate Purple appears in 2 combinations — most often paired with Carmine, Dusky Green and Eosine Pink.
Colours that go with Dark Slate Purple
From a standard colour wheel, Dark Slate Purple anchors these four classic schemes. Each swatch is computed from its exact hue, so every hex is a real, usable pairing.
Complementary
#704357 #43705C
the hue directly opposite — the highest-contrast pairing, good for a single bold accent.
Analogous
#704357 #70436E #704543
the two neighbours on the wheel — a calm, cohesive scheme that feels effortless.
Triadic
#704357 #577043 #435770
two hues an even third of the wheel away — balanced and lively without clashing.
Split-complementary
#704357 #437045 #436E70
the two colours either side of the complement — the contrast of a complement, softened.
How to use Dark Slate Purple
Dark Slate Purple is a deep, muted tone (HSL 333°, 25%, 35%), which makes it a grounding background or strong accent. For text it passes WCAG AA for body text against a light background (8.0:1) — safe for paragraphs, buttons and labels. When you do set type on it, use light lettering. Pair it with its complement (#43705C) for a focal accent, or with its analogous neighbours (#70436E and #704543) for a quieter, harmonious feel.
Studio
Taking Dark Slate Purple off the screen
A hex code is an instruction to a screen, not a colour. Where this one is going decides what it needs next.
-
...onto paper
Start here if the palette gets printed. Screen colour and ink colour are not the same colour, and this is the deck that translates between them.
Listed on Amazon as Pantone GP6102B Color Bridge Guide Set Coated & Uncoated, Multi-Colour
View on Amazon -
...onto a screen you can trust
Start here if it stays digital. An uncalibrated monitor is the single most common reason a palette that looked right on your desk looks wrong everywhere else.
Calibrite
ColorChecker Studio spectrophotometer
Listed on Amazon as Calibrite ColorChecker Studio Spectrophotometer for Complete Color Management for Display, Projector, Printer and Scanner Profiling
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...by hand
Start here if you are mixing it. Wada's plates were flat printed colour; gansai pans are the closest everyday medium to them.
Listed on Amazon as Strathmore 300 Series Tape Bound Watercolor Pad, 140 lb. Cold Press, 11 X 15 inches, White, 12 Sheets (360-111)
View on Amazon
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Palettes with Dark Slate Purple
Dark Slate Purple appears in 2 combinations from the archive. Each pairing reveals how the same color shifts character depending on its neighbours. For how usage like this compares across the whole dictionary, see the data analysis of all 348 plates.
Questions about Dark Slate Purple
- What is the hex code for Dark Slate Purple?
- Dark Slate Purple is #704357. It appears in 2 historical color combinations from Sanzo Wada's 1933 "A Dictionary of Color Combinations".
- What does Dark Slate Purple look like on white and black backgrounds?
- Dark Slate Purple (#704357) has a WCAG contrast ratio of 7.99:1 against white (#FFFFFF) and 2.63:1 against black (#000000). WCAG AA requires 4.5:1 for normal text and 3:1 for large text.
- Where does the color Dark Slate Purple come from?
- Dark Slate Purple is documented in Sanzo Wada's "A Dictionary of Color Combinations" (1933, Seigensha Art Publishing 2010 reprint). Wada catalogued purple pigments and historical Japanese color terms. The source work is in the public domain.
- Can I use Dark Slate Purple in my own design or brand?
- Yes. The color name and hex value (#704357) are factual data — not copyrightable. Our curation and descriptions are CC BY 4.0 licensed.
From the archive
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