Color

#665d74

#665d74
hex#665d74
rgbrgb(102, 93, 116)
hslhsl(263, 11%, 41%)
oklchoklch(0.495 0.038 302.9)
Closest name: Plummy (#675a75)Relative luminance 0.1191

Colors that go with #665d74

Charcoal, Champagne and Copper 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.

Real palettes that use #665d74

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6b745d

#5d6074 · #715d74

#74665d · #5d7466

Split-complementary

Open in tool →

#74715d · #60745d

#745d60 · #6b745d · #5d7471

Contrast

#665d74 as textRatioAAAA largeAAAFix
Aaon white
6.21:1passpassfail
  • AAA: use #5c5469 as the text (7.17:1)
Aaon black
3.38:1failpassfail
  • AA: use #7c718e as the text (4.61:1)
  • AAA: use #9c93a9 as the text (7.16:1)
  • AA: or shift the background to #dedede (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 #665d74 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 #665d74
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 #665d74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/665d74-b09cc4-dfd04e-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