Color

#663d62

#663d62
hex#663d62
rgbrgb(102, 61, 98)
hslhsl(306, 25%, 32%)
oklchoklch(0.423 0.079 330.4)
Closest name: Grape Fizz (#64435f)Relative luminance 0.0704

Colors that go with #663d62

Sea Green, Crimson and Denim 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 #663d62

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d6641

#563d66 · #663d4e

#62663d · #3d6266

Split-complementary

Open in tool →

#4e663d · #3d6656

#66563d · #3d6641 · #3d4e66

Contrast

#663d62 as textRatioAAAA largeAAAFix
Aaon white
8.72:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #9f6099 as the text (4.61:1)
  • AAA: use #b686b1 as the text (7.03:1)
  • AA: or shift the background to #bdbdbd (4.64:1)
  • AAA: or shift the background to #e8e8e8 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #663d62 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

#663d62 reads as warm, muted, editorial. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #663d62
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 #663d62 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/663d62-c19fb9-8acb62-2d1f26-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