Color

#402003

#402003
hex#402003
rgbrgb(64, 32, 3)
hslhsl(29, 91%, 13%)
oklchoklch(0.282 0.064 58)
Closest name: Chocolate Castle (#452207)Relative luminance 0.0213

Tints & shades

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

Harmonies

Complementary

Open in tool →

#03223f

#3f0304 · #3f3e03

#033f20 · #20033f

Split-complementary

Open in tool →

#033f3e · #03043f

#043f03 · #03223f · #3e033f

Contrast

#402003 as textRatioAAAA largeAAAFix
Aaon white
14.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #b95e09 as the text (4.67:1)
  • AAA: use #ea770b as the text (7.14:1)
  • AA: or shift the background to #8f8f8f (4.55:1)
  • AAA: or shift the background to #b3b3b3 (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 #402003 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

#402003 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #402003
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 #402003 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/402003-c4b49c-62cbcb-2d2c1f-f1e9e9?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