Color

#642d95

#642d95
hex#642d95
rgbrgb(100, 45, 149)
hslhsl(272, 54%, 38%)
oklchoklch(0.427 0.163 304.5)
Closest name: rebeccapurple (#663399)Relative luminance 0.0676

Colors that go with #642d95

Olive Green, Charcoal and Midnight Blue 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 →

#5d952d

#302d95 · #952d92

#95642d · #2d9564

Split-complementary

Open in tool →

#92952d · #2d9530

#95302d · #5d952d · #2d9295

Contrast

#642d95 as textRatioAAAA largeAAAFix
Aaon white
8.93:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #985ace as the text (4.69:1)
  • AAA: use #b385db as the text (7.29:1)
  • AA: or shift the background to #b8b8b8 (4.5:1)
  • AAA: or shift the background to #e6e6e6 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #642d95 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

#642d95 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #642d95
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 #642d95 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/642d95-b69cc4-c5cb62-2d1f2d-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