Color

#55586d

#55586d
hex#55586d
rgbrgb(85, 88, 109)
hslhsl(233, 12%, 38%)
oklchoklch(0.466 0.034 278.6)
Closest name: Blackwater (#545663)Relative luminance 0.1001

Colors that go with #55586d

Steel Blue, Teal and Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d6a55

#55646d · #5e556d

#6d5558 · #586d55

Split-complementary

Open in tool →

#6d5e55 · #646d55

#6d5564 · #6d6a55 · #556d5e

Contrast

#55586d as textRatioAAAA largeAAAFix
Aaon white
6.99:1passpassfail
  • AAA: use #53566a as the text (7.22:1)
Aaon black
3:1failpassfail
  • AA: use #70748f as the text (4.58:1)
  • AAA: use #9295aa as the text (7.1:1)
  • AA: or shift the background to #d1d1d1 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #55586d 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 #55586d
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 #55586d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55586d-9c9cc4-df884e-241f2d-e9eef1?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