Color

#587e9d

#587e9d
hex#587e9d
rgbrgb(88, 126, 157)
hslhsl(207, 28%, 48%)
oklchoklch(0.577 0.064 243.8)
Closest name: Bay View (#6a819e)Relative luminance 0.1943

Colors that go with #587e9d

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 #587e9d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9d7758

#589d99 · #585c9d

#9d587e · #7e9d58

Split-complementary

Open in tool →

#9d585c · #9d9958

#99589d · #9d7758 · #5c9d58

Contrast

#587e9d as textRatioAAAA largeAAAFix
Aaon white
4.3:1failpassfail
  • AA: use #547996 as the text (4.61:1)
  • AAA: use #405c72 as the text (7.02:1)
  • AA: or shift the background to #0d0d0d (4.52:1)
Aaon black
4.89:1passpassfail
  • AAA: use #7999b4 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #587e9d 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 #587e9d
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 #587e9d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/587e9d-9cadc4-df4e53-1f212d-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