Color

#51156a

#51156a
hex#51156a
rgbrgb(81, 21, 106)
hslhsl(282, 67%, 25%)
oklchoklch(0.34 0.142 313.6)
Closest name: Elegant Purple Gown (#552367)Relative luminance 0.0333

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2f6a15

#26156a · #6a1559

#6a5115 · #156a51

Split-complementary

Open in tool →

#596a15 · #156a26

#6a2615 · #2f6a15 · #15596a

Contrast

#51156a as textRatioAAAA largeAAAFix
Aaon white
12.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #ad44da as the text (4.62:1)
  • AAA: use #c377e4 as the text (7.08:1)
  • AA: or shift the background to #9c9c9c (4.59:1)
  • AAA: or shift the background to #c2c2c2 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51156a 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

#51156a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51156a
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 #51156a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51156a-ba9fc1-b4cb62-2d1f2b-ebe9f1?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