Color

#3f3703

#3f3703
hex#3f3703
rgbrgb(63, 55, 3)
hslhsl(52, 91%, 13%)
oklchoklch(0.335 0.067 99.8)
Closest name: Dark Olive (#373e02)Relative luminance 0.038

Tints & shades

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

Harmonies

Complementary

Open in tool →

#030b3f

#3f1903 · #293f03

#033f37 · #37033f

Split-complementary

Open in tool →

#03293f · #19033f

#033f19 · #030b3f · #3f0329

Contrast

#3f3703 as textRatioAAAA largeAAAFix
Aaon white
11.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #887706 as the text (4.69:1)
  • AAA: use #aa9508 as the text (7.01:1)
  • AA: or shift the background to #a1a1a1 (4.62:1)
  • AAA: or shift the background to #c7c7c7 (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 #3f3703 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

#3f3703 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f3703
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 #3f3703 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f3703-c4c39c-4ea7df-292d1f-f1ece9?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