Color

#643547

#643547
hex#643547
rgbrgb(100, 53, 71)
hslhsl(337, 31%, 30%)
oklchoklch(0.394 0.071 356.5)
Closest name: Eggplant (#614051)Relative luminance 0.0571

Colors that go with #643547

Teal, Copper and Crimson 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 #643547

Tints & shades

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

Harmonies

Complementary

Open in tool →

#356452

#64355f · #643a35

#476435 · #354764

Split-complementary

Open in tool →

#35643a · #355f64

#5f6435 · #356452 · #3a3564

Contrast

#643547 as textRatioAAAA largeAAAFix
Aaon white
9.8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #ab5f7c as the text (4.66:1)
  • AAA: use #c0879d as the text (7.19:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643547 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#643547 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643547
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 #643547 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643547-c49ca7-62cb70-2d201f-f1e9f0?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