Color

#400b02

#400b02
hex#400b02
rgbrgb(64, 11, 2)
hslhsl(9, 94%, 13%)
oklchoklch(0.247 0.084 33.9)
Closest name: Black Chocolate (#441100)Relative luminance 0.0133

Colors that go with #400b02

Charcoal, Royal Blue and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#023740

#400218 · #402a02

#02400b · #0b0240

Split-complementary

Open in tool →

#02402a · #021840

#184002 · #023740 · #2a0240

Contrast

#400b02 as textRatioAAAA largeAAAFix
Aaon white
16.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #e42807 as the text (4.61:1)
  • AAA: use #f9674d as the text (7.08:1)
  • AA: or shift the background to #878787 (4.61:1)
  • AAA: or shift the background to #ababab (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #400b02 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

#400b02 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #400b02
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #400b02 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/400b02-c4a79c-62cba8-2d271f-f1e9ec?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