Color

#51165a

#51165a
hex#51165a
rgbrgb(81, 22, 90)
hslhsl(292, 61%, 22%)
oklchoklch(0.329 0.125 322.1)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0306

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f5a16

#2f165a · #5a1641

#5a5116 · #165a51

Split-complementary

Open in tool →

#415a16 · #165a2f

#5a2f16 · #1f5a16 · #16415a

Contrast

#51165a as textRatioAAAA largeAAAFix
Aaon white
13.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.61:1failfailfail
  • AA: use #ba36ce as the text (4.51:1)
  • AAA: use #cf73dd as the text (7.15:1)
  • AA: or shift the background to #999999 (4.57:1)
  • AAA: or shift the background to #bfbfbf (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 #51165a 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

#51165a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51165a
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 #51165a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51165a-c09fc1-a3cb62-2d1f29-ece9f1?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