Color

#643542

#643542
hex#643542
rgbrgb(100, 53, 66)
hslhsl(343, 31%, 30%)
oklchoklch(0.393 0.069 3)
Closest name: Arcane Red (#6a2f2f)Relative luminance 0.0565

Colors that go with #643542

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 #643542

Tints & shades

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

Harmonies

Complementary

Open in tool →

#356457

#64355a · #643f35

#426435 · #354264

Split-complementary

Open in tool →

#35643f · #355a64

#5a6435 · #356457 · #3f3564

Contrast

#643542 as textRatioAAAA largeAAAFix
Aaon white
9.86:1passpasspassPasses AAA — no fix needed.
Aaon black
2.13:1failfailfail
  • AA: use #ab5f74 as the text (4.62:1)
  • AAA: use #c08797 as the text (7.15:1)
  • AA: or shift the background to #b0b0b0 (4.55:1)
  • AAA: or shift the background to #dbdbdb (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643542 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

#643542 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643542
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 #643542 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643542-c49ca3-62cb7b-2d211f-f1e9ef?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