Color

#641c92

#641c92
hex#641c92
rgbrgb(100, 28, 146)
hslhsl(277, 68%, 34%)
oklchoklch(0.406 0.18 307.6)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0562

Colors that go with #641c92

Olive Green, Charcoal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#49921c

#2a1c92 · #921c84

#92641c · #1c9264

Split-complementary

Open in tool →

#84921c · #1c922a

#922a1c · #49921c · #1c8492

Contrast

#641c92 as textRatioAAAA largeAAAFix
Aaon white
9.89:1passpasspassPasses AAA — no fix needed.
Aaon black
2.12:1failfailfail
  • AA: use #a54bdd as the text (4.65:1)
  • AAA: use #bc7ae6 as the text (7.06:1)
  • AA: or shift the background to #b0b0b0 (4.56:1)
  • AAA: or shift the background to #d9d9d9 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #641c92 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

#641c92 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #641c92
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 #641c92 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/641c92-b99cc4-bdcb62-2d1f2c-eae9f1?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