Color

#64407d

#64407d
hex#64407d
rgbrgb(100, 64, 125)
hslhsl(275, 32%, 37%)
oklchoklch(0.44 0.104 310)
Closest name: Lords of the Night (#664488)Relative luminance 0.0786

Colors that go with #64407d

Charcoal, Denim 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 →

#597d40

#45407d · #7d4078

#7d6340 · #407d63

Split-complementary

Open in tool →

#787d40 · #407d45

#7d4540 · #597d40 · #40787d

Contrast

#64407d as textRatioAAAA largeAAAFix
Aaon white
8.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.57:1failfailfail
  • AA: use #9064af as the text (4.63:1)
  • AAA: use #ab89c2 as the text (7.09:1)
  • AA: or shift the background to #c2c2c2 (4.58:1)
  • AAA: or shift the background to #f0f0f0 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #64407d 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 #64407d
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 #64407d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64407d-b89cc4-c0cb62-2d1f2d-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