Color

#55435b

#55435b
hex#55435b
rgbrgb(85, 67, 91)
hslhsl(285, 15%, 31%)
oklchoklch(0.411 0.045 317.6)
Closest name: Black Magic (#4f4554)Relative luminance 0.067

Colors that go with #55435b

Teal, Sea Green 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 →

#495b43

#49435b · #5b4355

#5b5543 · #435b55

Split-complementary

Open in tool →

#555b43 · #435b49

#5b4943 · #495b43 · #43555b

Contrast

#55435b as textRatioAAAA largeAAAFix
Aaon white
8.97:1passpasspassPasses AAA — no fix needed.
Aaon black
2.34:1failfailfail
  • AA: use #896c93 as the text (4.63:1)
  • AAA: use #a590ad as the text (7.19:1)
  • AA: or shift the background to #b8b8b8 (4.52:1)
  • AAA: or shift the background to #e6e6e6 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #55435b 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 #55435b
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 #55435b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55435b-bc9fc1-afcb62-2d1f2b-ebe9f1?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