Color

#673604

#673604
hex#673604
rgbrgb(103, 54, 4)
hslhsl(30, 93%, 21%)
oklchoklch(0.388 0.09 58.1)
Closest name: Brown (#653700)Relative luminance 0.0553

Tints & shades

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

Harmonies

Complementary

Open in tool →

#043667

#670404 · #676704

#046736 · #360467

Split-complementary

Open in tool →

#046767 · #040467

#046704 · #043667 · #670467

Contrast

#673604 as textRatioAAAA largeAAAFix
Aaon white
9.97:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #b65e07 as the text (4.59:1)
  • AAA: use #e77808 as the text (7.09:1)
  • AA: or shift the background to #b0b0b0 (4.6:1)
  • AAA: or shift the background to #d9d9d9 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #673604 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

#673604 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #673604
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 #673604 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/673604-c4b59c-62c9cb-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