Color

#641b60

#641b60
hex#641b60
rgbrgb(100, 27, 96)
hslhsl(303, 57%, 25%)
oklchoklch(0.369 0.135 330.2)
Closest name: Elegant Purple Gown (#552367)Relative luminance 0.0434

Colors that go with #641b60

Sea Green, Cream and Denim 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 →

#1b641f

#431b64 · #641b3c

#60641b · #1b6064

Split-complementary

Open in tool →

#3c641b · #1b6443

#64431b · #1b641f · #1b3c64

Contrast

#641b60 as textRatioAAAA largeAAAFix
Aaon white
11.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.87:1failfailfail
  • AA: use #c436bd as the text (4.61:1)
  • AAA: use #d86fd2 as the text (7.12:1)
  • AA: or shift the background to #a6a6a6 (4.62:1)
  • AAA: or shift the background to #cccccc (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #641b60 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

#641b60 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #641b60
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 #641b60 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/641b60-c19fbb-8fcb62-2d1f26-eee9f1?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