Color

#664261

#664261
hex#664261
rgbrgb(102, 66, 97)
hslhsl(308, 21%, 33%)
oklchoklch(0.432 0.068 331.7)
Closest name: Grape Fizz (#64435f)Relative luminance 0.0758

Colors that go with #664261

Sea Green, Copper 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.

Real palettes that use #664261

Tints & shades

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

Harmonies

Complementary

Open in tool →

#426647

#594266 · #66424f

#616642 · #426166

Split-complementary

Open in tool →

#4f6642 · #426659

#665942 · #426647 · #424f66

Contrast

#664261 as textRatioAAAA largeAAAFix
Aaon white
8.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #976390 as the text (4.5:1)
  • AAA: use #b28aad as the text (7.13:1)
  • AA: or shift the background to #bfbfbf (4.54:1)
  • AAA: or shift the background to #ededed (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #664261 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

#664261 reads as warm, muted, editorial. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #664261
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 #664261 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/664261-c19fb8-87cb62-2d1f25-eee9f1?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