Color

#595d78

#595d78
hex#595d78
rgbrgb(89, 93, 120)
hslhsl(232, 15%, 41%)
oklchoklch(0.485 0.044 278.1)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1131

Colors that go with #595d78

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 →

#787459

#596d78 · #645978

#78595d · #5d7859

Split-complementary

Open in tool →

#786459 · #6d7859

#78596d · #787459 · #597864

Contrast

#595d78 as textRatioAAAA largeAAAFix
Aaon white
6.44:1passpassfail
  • AAA: use #52566f as the text (7.19:1)
Aaon black
3.26:1failpassfail
  • AA: use #6f7495 as the text (4.61:1)
  • AAA: use #9296af as the text (7.2:1)
  • AA: or shift the background to #d9d9d9 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #595d78 as the background.

Brands using this color

mcpConnect your agent — build around #595d78
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 #595d78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/595d78-9c9dc4-df864e-231f2d-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