Color

#51013f

#51013f
hex#51013f
rgbrgb(81, 1, 63)
hslhsl(313, 98%, 16%)
oklchoklch(0.294 0.126 340.4)
Closest name: Eggplant (#430541)Relative luminance 0.0213

Tints & shades

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

Harmonies

Complementary

Open in tool →

#015112

#3a0151 · #510117

#3f5101 · #013f51

Split-complementary

Open in tool →

#175101 · #01513a

#513a01 · #015112 · #011751

Contrast

#51013f as textRatioAAAA largeAAAFix
Aaon white
14.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #d902ab as the text (4.55:1)
  • AAA: use #fd49d6 as the text (7.1:1)
  • AA: or shift the background to #8f8f8f (4.55:1)
  • AAA: or shift the background to #b3b3b3 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51013f 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

#51013f reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51013f
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 #51013f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51013f-c19fb5-7ecb62-2d1f24-efe9f1?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