Color

#643726

#643726
hex#643726
rgbrgb(100, 55, 38)
hslhsl(16, 45%, 27%)
oklchoklch(0.389 0.07 41.2)
Closest name: Arcane Red (#6a2f2f)Relative luminance 0.0558

Colors that go with #643726

Teal, Blue and Copper 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 #643726

Tints & shades

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

Harmonies

Complementary

Open in tool →

#265364

#642634 · #645526

#266436 · #362664

Split-complementary

Open in tool →

#266455 · #263464

#346426 · #265364 · #552664

Contrast

#643726 as textRatioAAAA largeAAAFix
Aaon white
9.92:1passpasspassPasses AAA — no fix needed.
Aaon black
2.12:1failfailfail
  • AA: use #ae5f42 as the text (4.52:1)
  • AAA: use #c8876f as the text (7.15:1)
  • AA: or shift the background to #b0b0b0 (4.58:1)
  • AAA: or shift the background to #d9d9d9 (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 #643726 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

#643726 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643726
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 #643726 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643726-c4ab9c-62cbb4-2d291f-f1e9eb?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