Color

#52100a

#52100a
hex#52100a
rgbrgb(82, 16, 10)
hslhsl(5, 78%, 18%)
oklchoklch(0.291 0.098 29.5)
Closest name: Burned (#520b00)Relative luminance 0.0219

Colors that go with #52100a

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 →

#0a4c52

#520a28 · #52340a

#0a5210 · #100a52

Split-complementary

Open in tool →

#0a5234 · #0a2852

#28520a · #0a4c52 · #340a52

Contrast

#52100a as textRatioAAAA largeAAAFix
Aaon white
14.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #e32d1c as the text (4.66:1)
  • AAA: use #ec7065 as the text (7.07:1)
  • AA: or shift the background to #8f8f8f (4.52:1)
  • AAA: or shift the background to #b5b5b5 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #52100a 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

#52100a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #52100a
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 #52100a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/52100a-c4a49c-62cba1-2d261f-f1e9ec?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