Color

#641b6f

#641b6f
hex#641b6f
rgbrgb(100, 27, 111)
hslhsl(292, 61%, 27%)
oklchoklch(0.379 0.148 322.1)
Closest name: Elegant Purple Gown (#552367)Relative luminance 0.0464

Colors that go with #641b6f

Tomato, Forest Green and Charcoal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#266f1b

#3a1b6f · #6f1b50

#6f641b · #1b6f64

Split-complementary

Open in tool →

#506f1b · #1b6f3a

#6f3a1b · #266f1b · #1b506f

Contrast

#641b6f as textRatioAAAA largeAAAFix
Aaon white
10.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #ba36ce as the text (4.51:1)
  • AAA: use #cf73dd as the text (7.15:1)
  • AA: or shift the background to #a8a8a8 (4.58:1)
  • AAA: or shift the background to #d1d1d1 (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 #641b6f 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

#641b6f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #641b6f
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 #641b6f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/641b6f-c09fc1-a3cb62-2d1f29-ece9f1?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