Color

#400402

#400402
hex#400402
rgbrgb(64, 4, 2)
hslhsl(2, 94%, 13%)
oklchoklch(0.239 0.091 29.5)
Closest name: Black Chocolate (#441100)Relative luminance 0.0118

Colors that go with #400402

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 →

#023e40

#40021f · #402302

#024004 · #040240

Split-complementary

Open in tool →

#024023 · #021f40

#1f4002 · #023e40 · #230240

Contrast

#400402 as textRatioAAAA largeAAAFix
Aaon white
16.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #e90f07 as the text (4.54:1)
  • AAA: use #fa6661 as the text (7.14:1)
  • AA: or shift the background to #858585 (4.6:1)
  • AAA: or shift the background to #a8a8a8 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #400402 as the background.

Brands using this color

Fonts for this mood

#400402 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #400402
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 #400402 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/400402-c4a29c-62cb9c-2d261f-f1e9ed?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