Color

#40190d

#40190d
hex#40190d
rgbrgb(64, 25, 13)
hslhsl(14, 66%, 15%)
oklchoklch(0.27 0.065 37.7)
Closest name: Délicieux au Chocolat (#412010)Relative luminance 0.0181

Colors that go with #40190d

Charcoal, Sea Green 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 →

#0d343f

#3f0d1a · #3f320d

#0d3f19 · #190d3f

Split-complementary

Open in tool →

#0d3f32 · #0d1a3f

#1a3f0d · #0d343f · #320d3f

Contrast

#40190d as textRatioAAAA largeAAAFix
Aaon white
15.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #c74e29 as the text (4.55:1)
  • AAA: use #de7c5e as the text (7.15:1)
  • AA: or shift the background to #8c8c8c (4.58:1)
  • AAA: or shift the background to #b0b0b0 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40190d as the background.

Brands using this color

Fonts for this mood

#40190d reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40190d
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 #40190d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40190d-c4aa9c-62cbb1-2d291f-f1e9eb?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