Color

#51151a

#51151a
hex#51151a
rgbrgb(81, 21, 26)
hslhsl(355, 59%, 20%)
oklchoklch(0.298 0.089 19.8)
Closest name: Minotaur Hide (#4a120d)Relative luminance 0.0236

Tints & shades

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

Harmonies

Complementary

Open in tool →

#15514c

#511538 · #512e15

#1a5115 · #151a51

Split-complementary

Open in tool →

#15512e · #153851

#385115 · #15514c · #2e1551

Contrast

#51151a as textRatioAAAA largeAAAFix
Aaon white
14.27:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #cf4450 as the text (4.6:1)
  • AAA: use #dc7981 as the text (7.1:1)
  • AA: or shift the background to #919191 (4.53:1)
  • AAA: or shift the background to #b8b8b8 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51151a 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

#51151a reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51151a
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 #51151a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51151a-c49e9c-62cb8f-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