Color

#644e2b

#644e2b
hex#644e2b
rgbrgb(100, 78, 43)
hslhsl(37, 40%, 28%)
oklchoklch(0.438 0.059 77.9)
Closest name: Black Power (#654b37)Relative luminance 0.0833

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b4164

#64322b · #5d642b

#2b644e · #4e2b64

Split-complementary

Open in tool →

#2b5d64 · #322b64

#2b6432 · #2b4164 · #642b5d

Contrast

#644e2b as textRatioAAAA largeAAAFix
Aaon white
7.88:1passpasspassPasses AAA — no fix needed.
Aaon black
2.67:1failfailfail
  • AA: use #8f703d as the text (4.55:1)
  • AAA: use #b69054 as the text (7.11:1)
  • AA: or shift the background to #c4c4c4 (4.52:1)
  • AAA: or shift the background to #f2f2f2 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #644e2b 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

#644e2b reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #644e2b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #644e2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/644e2b-c4b99c-62bdcb-2c2d1f-f1eae9?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