Color

#400809

#400809
hex#400809
rgbrgb(64, 8, 9)
hslhsl(359, 78%, 14%)
oklchoklch(0.244 0.085 25.3)
Closest name: English Breakfast (#441111)Relative luminance 0.0128

Colors that go with #400809

Charcoal, Royal Blue and Sienna 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 →

#08403f

#400825 · #402308

#094008 · #080940

Split-complementary

Open in tool →

#084023 · #082540

#254008 · #08403f · #230840

Contrast

#400809 as textRatioAAAA largeAAAFix
Aaon white
16.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #e42124 as the text (4.54:1)
  • AAA: use #ed6e70 as the text (7.07:1)
  • AA: or shift the background to #858585 (4.53:1)
  • AAA: or shift the background to #a8a8a8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #400809 as the background.

Brands using this color

Fonts for this mood

#400809 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #400809
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 #400809 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/400809-c4a09c-62cb96-2d251f-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