Color

#643c3a

#643c3a
hex#643c3a
rgbrgb(100, 60, 58)
hslhsl(3, 27%, 31%)
oklchoklch(0.403 0.057 23)
Closest name: Brunette (#664238)Relative luminance 0.0625

Colors that go with #643c3a

Teal, Copper and Hunter Green 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 #643c3a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a6264

#643a4d · #64513a

#3a643c · #3c3a64

Split-complementary

Open in tool →

#3a6451 · #3a4d64

#4d643a · #3a6264 · #513a64

Contrast

#643c3a as textRatioAAAA largeAAAFix
Aaon white
9.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #a46460 as the text (4.57:1)
  • AAA: use #ba8a87 as the text (7.07:1)
  • AA: or shift the background to #b5b5b5 (4.55:1)
  • AAA: or shift the background to #e0e0e0 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643c3a 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

#643c3a reads as warm, muted, editorial. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643c3a
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 #643c3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643c3a-c4a39c-62cb9d-2d261f-f1e9ed?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