Color

#673f37

#673f37
hex#673f37
rgbrgb(103, 63, 55)
hslhsl(10, 30%, 31%)
oklchoklch(0.413 0.058 31.9)
Closest name: Brunette (#664238)Relative luminance 0.0671

Tints & shades

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

Harmonies

Complementary

Open in tool →

#375f67

#673747 · #675737

#37673f · #3f3767

Split-complementary

Open in tool →

#376757 · #374767

#476737 · #375f67 · #573767

Contrast

#673f37 as textRatioAAAA largeAAAFix
Aaon white
8.96:1passpasspassPasses AAA — no fix needed.
Aaon black
2.34:1failfailfail
  • AA: use #a66659 as the text (4.67:1)
  • AAA: use #bb8b81 as the text (7.12:1)
  • AA: or shift the background to #b8b8b8 (4.52:1)
  • AAA: or shift the background to #e6e6e6 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #673f37 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

#673f37 reads as warm, muted, editorial. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #673f37
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 #673f37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/673f37-c4a79c-62cbaa-2d281f-f1e9ec?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