Color

#64684b

#64684b
hex#64684b
rgbrgb(100, 104, 75)
hslhsl(68, 16%, 35%)
oklchoklch(0.506 0.044 114.4)
Closest name: Bancha (#666a47)Relative luminance 0.1312

Colors that go with #64684b

Charcoal, Slate Blue and Champagne 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 #64684b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4f4b68

#685d4b · #55684b

#4b6468 · #684b64

Split-complementary

Open in tool →

#4b5568 · #5d4b68

#4b685d · #4f4b68 · #684b55

Contrast

#64684b as textRatioAAAA largeAAAFix
Aaon white
5.8:1passpassfail
  • AAA: use #555940 as the text (7.27:1)
Aaon black
3.62:1failpassfail
  • AA: use #757958 as the text (4.63:1)
  • AAA: use #959a74 as the text (7.15:1)
  • AA: or shift the background to #e3e3e3 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #64684b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #64684b
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 #64684b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64684b-b7bea2-4e81df-252d1f-f1eee9?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