Color

#586e6f

#586e6f
hex#586e6f
rgbrgb(88, 110, 111)
hslhsl(183, 12%, 39%)
oklchoklch(0.521 0.026 199.8)
Closest name: Batman (#656e72)Relative luminance 0.1437

Colors that go with #586e6f

Charcoal, Champagne and Cobalt 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.

Real palettes that use #586e6f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6f5958

#586f65 · #58626f

#6f586e · #6e6f58

Split-complementary

Open in tool →

#6f5862 · #6f6558

#65586f · #6f5958 · #626f58

Contrast

#586e6f as textRatioAAAA largeAAAFix
Aaon white
5.42:1passpassfail
  • AAA: use #485a5b as the text (7.27:1)
Aaon black
3.87:1failpassfail
  • AA: use #60797b as the text (4.52:1)
  • AAA: use #819b9c as the text (7.1:1)
  • AA: or shift the background to #ebebeb (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #586e6f 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 #586e6f
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 #586e6f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/586e6f-a2b9be-d4598e-1f262d-e9f1ee?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