Color

#644f3f

#644f3f
hex#644f3f
rgbrgb(100, 79, 63)
hslhsl(26, 23%, 32%)
oklchoklch(0.445 0.038 58.9)
Closest name: Black Power (#654b37)Relative luminance 0.0866

Colors that go with #644f3f

Teal, Steel Blue and Blue 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 →

#3f5464

#643f41 · #64623f

#3f644f · #4f3f64

Split-complementary

Open in tool →

#3f6462 · #3f4164

#41643f · #3f5464 · #623f64

Contrast

#644f3f as textRatioAAAA largeAAAFix
Aaon white
7.69:1passpasspassPasses AAA — no fix needed.
Aaon black
2.73:1failfailfail
  • AA: use #8d6f58 as the text (4.55:1)
  • AAA: use #ad917b as the text (7.11:1)
  • AA: or shift the background to #c7c7c7 (4.55:1)
  • AAA: or shift the background to #f5f5f5 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #644f3f 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

#644f3f reads as warm, muted, editorial. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #644f3f
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 #644f3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/644f3f-c4b29c-62cbc5-2d2b1f-f1e9ea?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