Color

#644f55

#644f55
hex#644f55
rgbrgb(100, 79, 85)
hslhsl(343, 12%, 35%)
oklchoklch(0.451 0.029 359.4)
Closest name: Fedora (#625665)Relative luminance 0.0896

Colors that go with #644f55

Blush Pink, 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 →

#4f645e

#644f5f · #64534f

#55644f · #4f5564

Split-complementary

Open in tool →

#4f6453 · #4f5f64

#5f644f · #4f645e · #534f64

Contrast

#644f55 as textRatioAAAA largeAAAFix
Aaon white
7.52:1passpasspassPasses AAA — no fix needed.
Aaon black
2.79:1failfailfail
  • AA: use #8c6e76 as the text (4.61:1)
  • AAA: use #a79096 as the text (7.07:1)
  • AA: or shift the background to #c9c9c9 (4.54:1)
  • AAA: or shift the background to #f7f7f7 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #644f55 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

#644f55 reads as warm, muted, editorial. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #644f55
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 #644f55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/644f55-c49ca3-62cb7b-2d211f-f1e9ef?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