Color

#587f9d

#587f9d
hex#587f9d
rgbrgb(88, 127, 157)
hslhsl(206, 28%, 48%)
oklchoklch(0.579 0.064 242.3)
Closest name: Bay View (#6a819e)Relative luminance 0.1969

Colors that go with #587f9d

Charcoal, Copper 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 #587f9d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9d7658

#589d98 · #585d9d

#9d587f · #7f9d58

Split-complementary

Open in tool →

#9d585d · #9d9858

#98589d · #9d7658 · #5d9d58

Contrast

#587f9d as textRatioAAAA largeAAAFix
Aaon white
4.25:1failpassfail
  • AA: use #547a96 as the text (4.56:1)
  • AAA: use #3e5a6f as the text (7.25:1)
  • AA: or shift the background to #0f0f0f (4.51:1)
Aaon black
4.94:1passpassfail
  • AAA: use #799ab4 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #587f9d 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 #587f9d
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 #587f9d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/587f9d-9caec4-df4e56-1f212d-e9f1f1?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