Color

#665a68

#665a68
hex#665a68
rgbrgb(102, 90, 104)
hslhsl(291, 7%, 38%)
oklchoklch(0.484 0.027 321.4)
Closest name: Fedora (#625665)Relative luminance 0.1114

Colors that go with #665a68

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c685a

#5f5a68 · #685a63

#68665a · #5a6866

Split-complementary

Open in tool →

#63685a · #5a685f

#685f5a · #5c685a · #5a6368

Contrast

#665a68 as textRatioAAAA largeAAAFix
Aaon white
6.51:1passpassfail
  • AAA: use #605562 as the text (7.06:1)
Aaon black
3.23:1failpassfail
  • AA: use #807283 as the text (4.65:1)
  • AAA: use #9e92a0 as the text (7.07:1)
  • AA: or shift the background to #d9d9d9 (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 #665a68 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

#665a68 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #665a68
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 #665a68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/665a68-a2beb0-c859d4-1f2d2b-eaf1e9?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