Color

#643b35

#643b35
hex#643b35
rgbrgb(100, 59, 53)
hslhsl(8, 31%, 30%)
oklchoklch(0.4 0.059 28.9)
Closest name: Brunette (#664238)Relative luminance 0.0609

Colors that go with #643b35

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 #643b35

Tints & shades

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

Harmonies

Complementary

Open in tool →

#355e64

#643546 · #645335

#35643b · #3b3564

Split-complementary

Open in tool →

#356453 · #354664

#466435 · #355e64 · #533564

Contrast

#643b35 as textRatioAAAA largeAAAFix
Aaon white
9.46:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #a76358 as the text (4.57:1)
  • AAA: use #be8b83 as the text (7.21:1)
  • AA: or shift the background to #b3b3b3 (4.51:1)
  • AAA: or shift the background to #dedede (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643b35 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

#643b35 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643b35
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 #643b35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643b35-c4a69c-62cba6-2d271f-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