Color

#644f92

#644f92
hex#644f92
rgbrgb(100, 79, 146)
hslhsl(259, 30%, 44%)
oklchoklch(0.48 0.107 296.6)
Closest name: Grapes of Italy (#714a8b)Relative luminance 0.1038

Colors that go with #644f92

Charcoal, Sea Green and 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 →

#7d924f

#4f5b92 · #864f92

#92644f · #4f9264

Split-complementary

Open in tool →

#92864f · #5b924f

#924f5b · #7d924f · #4f9286

Contrast

#644f92 as textRatioAAAA largeAAAFix
Aaon white
6.83:1passpassfail
  • AAA: use #624d8f as the text (7.05:1)
Aaon black
3.08:1failpassfail
  • AA: use #806aaf as the text (4.6:1)
  • AAA: use #9f8ec2 as the text (7.12:1)
  • AA: or shift the background to #d4d4d4 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #644f92 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #644f92
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 #644f92 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/644f92-ad9cc4-dfc74e-2a1f2d-e9ebf1?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