Color

#586174

#586174
hex#586174
rgbrgb(88, 97, 116)
hslhsl(221, 14%, 40%)
oklchoklch(0.492 0.032 265.2)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1189

Colors that go with #586174

Charcoal, Steel Blue and Champagne 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 #586174

Tints & shades

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

Harmonies

Complementary

Open in tool →

#746b58

#586f74 · #5d5874

#745861 · #617458

Split-complementary

Open in tool →

#745d58 · #6f7458

#74586f · #746b58 · #58745d

Contrast

#586174 as textRatioAAAA largeAAAFix
Aaon white
6.22:1passpassfail
  • AAA: use #4f5769 as the text (7.24:1)
Aaon black
3.38:1failpassfail
  • AA: use #6b778e as the text (4.65:1)
  • AAA: use #8e96a9 as the text (7.09:1)
  • AA: or shift the background to #dedede (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 #586174 as the background.

Brands using this color

mcpConnect your agent — build around #586174
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 #586174 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/586174-9ca4c4-df6b4e-211f2d-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