Color

#586f7e

#586f7e
hex#586f7e
rgbrgb(88, 111, 126)
hslhsl(204, 18%, 42%)
oklchoklch(0.529 0.036 237)
Closest name: Ashen Whisper (#646b7a)Relative luminance 0.1495

Colors that go with #586f7e

Charcoal, Sienna and Amber 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 #586f7e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7e6758

#587e7b · #585c7e

#7e586f · #6f7e58

Split-complementary

Open in tool →

#7e585c · #7e7b58

#7b587e · #7e6758 · #5c7e58

Contrast

#586f7e as textRatioAAAA largeAAAFix
Aaon white
5.26:1passpassfail
  • AAA: use #475a66 as the text (7.19:1)
Aaon black
3.99:1failpassfail
  • AA: use #607a8a as the text (4.65:1)
  • AAA: use #849aa9 as the text (7.18:1)
  • AA: or shift the background to #f0f0f0 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #586f7e 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 #586f7e
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 #586f7e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/586f7e-9cafc4-df4e5a-1f222d-e9f1f0?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