Color

#64647d

#64647d
hex#64647d
rgbrgb(100, 100, 125)
hslhsl(240, 11%, 44%)
oklchoklch(0.513 0.039 284.9)
Closest name: Alley Cat (#656874)Relative luminance 0.133

Colors that go with #64647d

Charcoal, Sea Green and Amber 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 →

#7d7d64

#64707d · #70647d

#7d6464 · #647d64

Split-complementary

Open in tool →

#7d7064 · #707d64

#7d6470 · #7d7d64 · #647d70

Contrast

#64647d as textRatioAAAA largeAAAFix
Aaon white
5.74:1passpassfail
  • AAA: use #56566c as the text (7.13:1)
Aaon black
3.66:1failpassfail
  • AA: use #747490 as the text (4.64:1)
  • AAA: use #9696ab as the text (7.25:1)
  • AA: or shift the background to #e6e6e6 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #64647d 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 #64647d
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 #64647d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64647d-a19cc4-df994e-251f2d-e9edf1?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