Color

#644e1b

#644e1b
hex#644e1b
rgbrgb(100, 78, 27)
hslhsl(42, 57%, 25%)
oklchoklch(0.436 0.074 85.2)
Closest name: Antique Brass (#6c461f)Relative luminance 0.0824

Colors that go with #644e1b

Royal Blue, Copper and Rust 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 →

#1b3164

#642a1b · #56641b

#1b644e · #4e1b64

Split-complementary

Open in tool →

#1b5664 · #2a1b64

#1b642a · #1b3164 · #641b56

Contrast

#644e1b as textRatioAAAA largeAAAFix
Aaon white
7.93:1passpasspassPasses AAA — no fix needed.
Aaon black
2.65:1failfailfail
  • AA: use #907127 as the text (4.58:1)
  • AAA: use #b89032 as the text (7.07:1)
  • AA: or shift the background to #c4c4c4 (4.55:1)
  • AAA: or shift the background to #f2f2f2 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #644e1b 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

#644e1b reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #644e1b
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 #644e1b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/644e1b-c4bc9c-62b4cb-2b2d1f-f1ebe9?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