Color

#642191

#642191
hex#642191
rgbrgb(100, 33, 145)
hslhsl(276, 63%, 35%)
oklchoklch(0.41 0.174 307.5)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0584

Colors that go with #642191

Olive Green, Charcoal and Teal 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 →

#4e9121

#2c2191 · #912186

#916421 · #219164

Split-complementary

Open in tool →

#869121 · #21912c

#912c21 · #4e9121 · #218691

Contrast

#642191 as textRatioAAAA largeAAAFix
Aaon white
9.69:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #a150d7 as the text (4.64:1)
  • AAA: use #ba7ee2 as the text (7.17:1)
  • AA: or shift the background to #b3b3b3 (4.62:1)
  • AAA: or shift the background to #dedede (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #642191 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

#642191 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #642191
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 #642191 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/642191-b99cc4-bfcb62-2d1f2d-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