Color

#51101d

#51101d
hex#51101d
rgbrgb(81, 16, 29)
hslhsl(348, 67%, 19%)
oklchoklch(0.293 0.095 14.1)
Closest name: Minotaur Hide (#4a120d)Relative luminance 0.0221

Tints & shades

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

Harmonies

Complementary

Open in tool →

#105144

#51103d · #512310

#1d5110 · #101d51

Split-complementary

Open in tool →

#105123 · #103d51

#3d5110 · #105144 · #231051

Contrast

#51101d as textRatioAAAA largeAAAFix
Aaon white
14.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #d73757 as the text (4.57:1)
  • AAA: use #e37289 as the text (7.03:1)
  • AA: or shift the background to #8f8f8f (4.5:1)
  • AAA: or shift the background to #b5b5b5 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51101d 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

#51101d reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51101d
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 #51101d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51101d-c49c9f-62cb83-2d231f-f1e9ef?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