Color

#643549

#643549
hex#643549
rgbrgb(100, 53, 73)
hslhsl(334, 31%, 30%)
oklchoklch(0.395 0.072 353.9)
Closest name: Eggplant (#614051)Relative luminance 0.0574

Colors that go with #643549

Teal, Blue 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 #643549

Tints & shades

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

Harmonies

Complementary

Open in tool →

#356450

#643561 · #643835

#496435 · #354964

Split-complementary

Open in tool →

#356438 · #356164

#616435 · #356450 · #383564

Contrast

#643549 as textRatioAAAA largeAAAFix
Aaon white
9.78:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #ab5f80 as the text (4.68:1)
  • AAA: use #c0879f as the text (7.21:1)
  • AA: or shift the background to #b0b0b0 (4.51:1)
  • AAA: or shift the background to #dbdbdb (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643549 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

#643549 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643549
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 #643549 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643549-c49ca9-62cb6b-2d1f1f-f1e9f0?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