Color

#644d35

#644d35
hex#644d35
rgbrgb(100, 77, 53)
hslhsl(31, 31%, 30%)
oklchoklch(0.438 0.048 67.2)
Closest name: Black Power (#654b37)Relative luminance 0.0827

Tints & shades

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

Harmonies

Complementary

Open in tool →

#354c64

#643635 · #636435

#35644d · #4d3564

Split-complementary

Open in tool →

#356364 · #363564

#356436 · #354c64 · #643563

Contrast

#644d35 as textRatioAAAA largeAAAFix
Aaon white
7.91:1passpasspassPasses AAA — no fix needed.
Aaon black
2.65:1failfailfail
  • AA: use #906f4c as the text (4.56:1)
  • AAA: use #b2906c as the text (7.1:1)
  • AA: or shift the background to #c4c4c4 (4.54:1)
  • AAA: or shift the background to #f2f2f2 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #644d35 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

#644d35 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #644d35
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 #644d35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/644d35-c4b59c-62c7cb-2d2c1f-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