Color

#643f4b

#643f4b
hex#643f4b
rgbrgb(100, 63, 75)
hslhsl(341, 23%, 32%)
oklchoklch(0.415 0.054 358.7)
Closest name: Eggplant (#614051)Relative luminance 0.0677

Colors that go with #643f4b

Teal, Copper and Powder 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 #643f4b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3f6458

#643f5d · #64463f

#4b643f · #3f4b64

Split-complementary

Open in tool →

#3f6446 · #3f5d64

#5d643f · #3f6458 · #463f64

Contrast

#643f4b as textRatioAAAA largeAAAFix
Aaon white
8.92:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #9f6578 as the text (4.61:1)
  • AAA: use #b68b99 as the text (7.14:1)
  • AA: or shift the background to #bababa (4.6:1)
  • AAA: or shift the background to #e6e6e6 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643f4b 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

#643f4b reads as warm, muted, editorial. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643f4b
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 #643f4b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643f4b-c49ca4-62cb77-2d211f-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