Color

#587184

#587184
hex#587184
rgbrgb(88, 113, 132)
hslhsl(206, 20%, 43%)
oklchoklch(0.536 0.042 241.3)
Closest name: Ashen Whisper (#646b7a)Relative luminance 0.1555

Colors that go with #587184

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 #587184

Tints & shades

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

Harmonies

Complementary

Open in tool →

#846b58

#588481 · #585b84

#845871 · #718458

Split-complementary

Open in tool →

#84585b · #848158

#815884 · #846b58 · #5b8458

Contrast

#587184 as textRatioAAAA largeAAAFix
Aaon white
5.11:1passpassfail
  • AAA: use #455968 as the text (7.29:1)
Aaon black
4.11:1failpassfail
  • AA: use #5e788d as the text (4.55:1)
  • AAA: use #8299ab as the text (7.09:1)
  • AA: or shift the background to #f2f2f2 (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 #587184 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 #587184
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 #587184 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/587184-9caec4-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