Color

#511017

#511017
hex#511017
rgbrgb(81, 16, 23)
hslhsl(354, 67%, 19%)
oklchoklch(0.291 0.095 19.7)
Closest name: Minotaur Hide (#4a120d)Relative luminance 0.0218

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#10514a

#511037 · #512a10

#165110 · #101651

Split-complementary

Open in tool →

#10512a · #103751

#375110 · #10514a · #2a1051

Contrast

#511017 as textRatioAAAA largeAAAFix
Aaon white
14.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #d73747 as the text (4.53:1)
  • AAA: use #e47782 as the text (7.26:1)
  • 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 #511017 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

#511017 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #511017
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #511017 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/511017-c49d9c-62cb8e-2d241f-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