Color

#587c84

#587c84
hex#587c84
rgbrgb(88, 124, 132)
hslhsl(191, 20%, 43%)
oklchoklch(0.562 0.042 213)
Closest name: Blue Blood (#6b7f81)Relative luminance 0.1816

Colors that go with #587c84

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 #587c84

Tints & shades

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

Harmonies

Complementary

Open in tool →

#846058

#588476 · #586684

#84587c · #7c8458

Split-complementary

Open in tool →

#845866 · #847658

#765884 · #846058 · #668458

Contrast

#587c84 as textRatioAAAA largeAAAFix
Aaon white
4.53:1passpassfail
  • AAA: use #415c62 as the text (7.16:1)
Aaon black
4.63:1passpassfail
  • AAA: use #789da5 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #587c84 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 #587c84
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 #587c84 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/587c84-a2b6be-df4e7a-1f252d-e9f1ef?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