Color

#511027

#511027
hex#511027
rgbrgb(81, 16, 39)
hslhsl(339, 67%, 19%)
oklchoklch(0.296 0.097 4.1)
Closest name: What We Do in the Shadows (#441122)Relative luminance 0.0227

Colors that go with #511027

Charcoal, Sea Green and Steel Blue 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 →

#10513a

#511047 · #511a10

#275110 · #102751

Split-complementary

Open in tool →

#10511a · #104751

#475110 · #10513a · #1a1051

Contrast

#511027 as textRatioAAAA largeAAAFix
Aaon white
14.45:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #d7336c as the text (4.58:1)
  • AAA: use #e3729a as the text (7.14:1)
  • AA: or shift the background to #919191 (4.58:1)
  • AAA: or shift the background to #b5b5b5 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #511027 as the background.

Brands using this color

Fonts for this mood

#511027 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #511027
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 #511027 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/511027-c49ca5-62cb74-2d211f-f1e9f0?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