Color

#540d10

#540d10
hex#540d10
rgbrgb(84, 13, 16)
hslhsl(357, 73%, 19%)
oklchoklch(0.293 0.102 24.3)
Closest name: Burned (#520b00)Relative luminance 0.0221

Colors that go with #540d10

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 →

#0d5450

#540d34 · #542d0d

#11540d · #0d1154

Split-complementary

Open in tool →

#0d542d · #0d3454

#34540d · #0d5450 · #2d0d54

Contrast

#540d10 as textRatioAAAA largeAAAFix
Aaon white
14.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #de2b34 as the text (4.5:1)
  • AAA: use #e97278 as the text (7.14:1)
  • AA: or shift the background to #8f8f8f (4.5:1)
  • AAA: or shift the background to #b5b5b5 (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 #540d10 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

#540d10 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #540d10
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 #540d10 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/540d10-c49f9c-62cb93-2d251f-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