Color

#585a6f

#585a6f
hex#585a6f
rgbrgb(88, 90, 111)
hslhsl(235, 12%, 39%)
oklchoklch(0.474 0.034 280.7)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1053

Colors that go with #585a6f

Champagne, Copper and Crimson 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 →

#6f6d58

#58656f · #61586f

#6f585a · #5a6f58

Split-complementary

Open in tool →

#6f6158 · #656f58

#6f5865 · #6f6d58 · #586f61

Contrast

#585a6f as textRatioAAAA largeAAAFix
Aaon white
6.76:1passpassfail
  • AAA: use #55576d as the text (7.07:1)
Aaon black
3.11:1failpassfail
  • AA: use #70738f as the text (4.54:1)
  • AAA: use #9294aa as the text (7.04:1)
  • AA: or shift the background to #d4d4d4 (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 #585a6f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #585a6f
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 #585a6f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/585a6f-9e9cc4-df8d4e-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