Color

#3f1a03

#3f1a03
hex#3f1a03
rgbrgb(63, 26, 3)
hslhsl(23, 91%, 13%)
oklchoklch(0.268 0.067 49.2)
Closest name: Délicieux au Chocolat (#412010)Relative luminance 0.018

Tints & shades

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

Harmonies

Complementary

Open in tool →

#03283f

#3f030a · #3f3803

#033f1a · #1a033f

Split-complementary

Open in tool →

#033f38 · #030a3f

#0a3f03 · #03283f · #38033f

Contrast

#3f1a03 as textRatioAAAA largeAAAFix
Aaon white
15.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #c85209 as the text (4.67:1)
  • AAA: use #f46e1a as the text (7.09:1)
  • AA: or shift the background to #8c8c8c (4.59:1)
  • AAA: or shift the background to #b0b0b0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f1a03 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

#3f1a03 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f1a03
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 #3f1a03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f1a03-c4b09c-62cbc0-2d2b1f-f1e9ea?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