Color

#595c78

#595c78
hex#595c78
rgbrgb(89, 92, 120)
hslhsl(234, 15%, 41%)
oklchoklch(0.483 0.045 279.8)
Closest name: Plummy (#675a75)Relative luminance 0.1113

Colors that go with #595c78

Charcoal, Steel Blue and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#787559

#596c78 · #655978

#78595c · #5c7859

Split-complementary

Open in tool →

#786559 · #6c7859

#78596c · #787559 · #597865

Contrast

#595c78 as textRatioAAAA largeAAAFix
Aaon white
6.51:1passpassfail
  • AAA: use #52556f as the text (7.27:1)
Aaon black
3.23:1failpassfail
  • AA: use #6f7395 as the text (4.56:1)
  • AAA: use #9295af as the text (7.14:1)
  • AA: or shift the background to #d9d9d9 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #595c78 as the background.

Brands using this color

mcpConnect your agent — build around #595c78
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #595c78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/595c78-9d9cc4-df8a4e-241f2d-e9eef1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md