Color

#585f79

#585f79
hex#585f79
rgbrgb(88, 95, 121)
hslhsl(227, 16%, 41%)
oklchoklch(0.49 0.043 273)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1164

Colors that go with #585f79

Charcoal, Sea Green and Steel 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 →

#797258

#587079 · #615879

#79585f · #5f7958

Split-complementary

Open in tool →

#796158 · #707958

#795870 · #797258 · #587961

Contrast

#585f79 as textRatioAAAA largeAAAFix
Aaon white
6.31:1passpassfail
  • AAA: use #515870 as the text (7.05:1)
Aaon black
3.33:1failpassfail
  • AA: use #6b7494 as the text (4.55:1)
  • AAA: use #8f95ae as the text (7.08:1)
  • AA: or shift the background to #dbdbdb (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 #585f79 as the background.

Brands using this color

mcpConnect your agent — build around #585f79
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 #585f79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/585f79-9ca0c4-df7a4e-221f2d-e9eff1?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