Color

#64406d

#64406d
hex#64406d
rgbrgb(100, 64, 109)
hslhsl(288, 26%, 34%)
oklchoklch(0.431 0.084 319.4)
Closest name: Majesty (#673e6e)Relative luminance 0.0748

Colors that go with #64406d

Sea Green, Crimson 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 →

#496d40

#4e406d · #6d4060

#6d6440 · #406d64

Split-complementary

Open in tool →

#606d40 · #406d4e

#6d4e40 · #496d40 · #40606d

Contrast

#64406d as textRatioAAAA largeAAAFix
Aaon white
8.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #9662a3 as the text (4.57:1)
  • AAA: use #af88b9 as the text (7.05:1)
  • AA: or shift the background to #bfbfbf (4.58:1)
  • AAA: or shift the background to #ebebeb (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #64406d 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 #64406d
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 #64406d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64406d-be9fc1-aacb62-2d1f2a-ece9f1?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