Color

#586b79

#586b79
hex#586b79
rgbrgb(88, 107, 121)
hslhsl(205, 16%, 41%)
oklchoklch(0.517 0.032 240.2)
Closest name: Ashen Whisper (#646b7a)Relative luminance 0.1397

Colors that go with #586b79

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#796658

#587976 · #585b79

#79586b · #6b7958

Split-complementary

Open in tool →

#79585b · #797658

#765879 · #796658 · #5b7958

Contrast

#586b79 as textRatioAAAA largeAAAFix
Aaon white
5.53:1passpassfail
  • AAA: use #495965 as the text (7.24:1)
Aaon black
3.79:1failpassfail
  • AA: use #637888 as the text (4.57:1)
  • AAA: use #8699a7 as the text (7.13:1)
  • AA: or shift the background to #e8e8e8 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #586b79 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 #586b79
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 #586b79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/586b79-9cafc4-df4e58-1f212d-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