Color

#51201f

#51201f
hex#51201f
rgbrgb(81, 32, 31)
hslhsl(1, 45%, 22%)
oklchoklch(0.315 0.074 23.4)
Closest name: Bitter Chocolate (#4f2923)Relative luminance 0.0288

Colors that go with #51201f

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 →

#1f5151

#511f37 · #51391f

#1f5120 · #201f51

Split-complementary

Open in tool →

#1f5139 · #1f3751

#37511f · #1f5151 · #391f51

Contrast

#51201f as textRatioAAAA largeAAAFix
Aaon white
13.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #bd5351 as the text (4.52:1)
  • AAA: use #cf8381 as the text (7.22:1)
  • AA: or shift the background to #969696 (4.5:1)
  • AAA: or shift the background to #bdbdbd (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51201f 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

#51201f reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51201f
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 #51201f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51201f-c4a19c-62cb9a-2d261f-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