Color

#644c44

#644c44
hex#644c44
rgbrgb(100, 76, 68)
hslhsl(15, 19%, 33%)
oklchoklch(0.439 0.035 39.2)
Closest name: Black Power (#654b37)Relative luminance 0.083

Tints & shades

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

Harmonies

Complementary

Open in tool →

#445c64

#64444c · #645c44

#44644c · #4c4464

Split-complementary

Open in tool →

#44645c · #444c64

#4c6444 · #445c64 · #5c4464

Contrast

#644c44 as textRatioAAAA largeAAAFix
Aaon white
7.9:1passpasspassPasses AAA — no fix needed.
Aaon black
2.66:1failfailfail
  • AA: use #926f63 as the text (4.68:1)
  • AAA: use #ac8f86 as the text (7.03:1)
  • AA: or shift the background to #c4c4c4 (4.53:1)
  • AAA: or shift the background to #f2f2f2 (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 #644c44 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

#644c44 reads as warm, muted, editorial. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #644c44
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 #644c44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/644c44-c4ab9c-62cbb2-2d291f-f1e9eb?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