Color

#400c13

#400c13
hex#400c13
rgbrgb(64, 12, 19)
hslhsl(352, 68%, 15%)
oklchoklch(0.251 0.08 17.6)
Closest name: English Breakfast (#441111)Relative luminance 0.014

Colors that go with #400c13

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 →

#0c4039

#400c2d · #401f0c

#13400c · #0c1340

Split-complementary

Open in tool →

#0c401f · #0c2d40

#2d400c · #0c4039 · #1f0c40

Contrast

#400c13 as textRatioAAAA largeAAAFix
Aaon white
16.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #d9364b as the text (4.58:1)
  • AAA: use #e47281 as the text (7.02:1)
  • AA: or shift the background to #878787 (4.57:1)
  • AAA: or shift the background to #ababab (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 #400c13 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

#400c13 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #400c13
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 #400c13 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/400c13-c49c9d-62cb8a-2d231f-f1e9ee?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