Color

#643e3a

#643e3a
hex#643e3a
rgbrgb(100, 62, 58)
hslhsl(6, 27%, 31%)
oklchoklch(0.407 0.054 26.3)
Closest name: Brunette (#664238)Relative luminance 0.0646

Colors that go with #643e3a

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 #643e3a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a6064

#643a4b · #64533a

#3a643e · #3e3a64

Split-complementary

Open in tool →

#3a6453 · #3a4b64

#4b643a · #3a6064 · #533a64

Contrast

#643e3a as textRatioAAAA largeAAAFix
Aaon white
9.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #a2645d as the text (4.52:1)
  • AAA: use #ba8c87 as the text (7.19:1)
  • AA: or shift the background to #b8b8b8 (4.62:1)
  • AAA: or shift the background to #e3e3e3 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643e3a 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

#643e3a reads as warm, muted, editorial. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643e3a
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 #643e3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643e3a-c4a59c-62cba3-2d271f-f1e9ec?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