Color

#64438e

#64438e
hex#64438e
rgbrgb(100, 67, 142)
hslhsl(266, 36%, 41%)
oklchoklch(0.455 0.121 302.1)
Closest name: Lords of the Night (#664488)Relative luminance 0.0868

Colors that go with #64438e

Charcoal, Blue and Crimson 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 →

#6e8e43

#43488e · #89438e

#8e6443 · #438e64

Split-complementary

Open in tool →

#8e8943 · #488e43

#8e4348 · #6e8e43 · #438e89

Contrast

#64438e as textRatioAAAA largeAAAFix
Aaon white
7.68:1passpasspassPasses AAA — no fix needed.
Aaon black
2.74:1failfailfail
  • AA: use #8966b7 as the text (4.65:1)
  • AAA: use #a78dc9 as the text (7.3:1)
  • AA: or shift the background to #c7c7c7 (4.54:1)
  • AAA: or shift the background to #f5f5f5 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #64438e 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

#64438e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #64438e
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 #64438e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64438e-b29cc4-dfd74e-2b1f2d-e9eaf1?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