Color

#40290d

#40290d
hex#40290d
rgbrgb(64, 41, 13)
hslhsl(33, 66%, 15%)
oklchoklch(0.303 0.053 68.4)
Closest name: Chocolate Castle (#452207)Relative luminance 0.027

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0d243f

#3f100d · #3d3f0d

#0d3f29 · #290d3f

Split-complementary

Open in tool →

#0d3d3f · #100d3f

#0d3f10 · #0d243f · #3f0d3d

Contrast

#40290d as textRatioAAAA largeAAAFix
Aaon white
13.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #a56a22 as the text (4.68:1)
  • AAA: use #cf852a as the text (7.04:1)
  • AA: or shift the background to #969696 (4.61:1)
  • AAA: or shift the background to #bababa (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40290d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#40290d reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40290d
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 #40290d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40290d-c4b79c-62c4cb-2d2d1f-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