Color

#643316

#643316
hex#643316
rgbrgb(100, 51, 22)
hslhsl(22, 64%, 24%)
oklchoklch(0.379 0.082 48.8)
Closest name: Brown (#653700)Relative luminance 0.0513

Colors that go with #643316

Crimson, Steel Blue and Blue 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 #643316

Tints & shades

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

Harmonies

Complementary

Open in tool →

#164864

#641620 · #645a16

#166433 · #331664

Split-complementary

Open in tool →

#16645a · #162064

#206416 · #164864 · #5a1664

Contrast

#643316 as textRatioAAAA largeAAAFix
Aaon white
10.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #b85d28 as the text (4.63:1)
  • AAA: use #d87f4b as the text (7.06:1)
  • AA: or shift the background to #ababab (4.51:1)
  • AAA: or shift the background to #d6d6d6 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643316 as the background.

Brands using this color

Fonts for this mood

#643316 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643316
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 #643316 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643316-c4af9c-62cbbf-2d2a1f-f1e9ea?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