Color

#731c73

#731c73
hex#731c73
rgbrgb(115, 28, 115)
hslhsl(300, 61%, 28%)
oklchoklch(0.406 0.158 328)
Closest name: purple (#800080)Relative luminance 0.0571

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c731c

#471c73 · #731c47

#73731c · #1c7373

Split-complementary

Open in tool →

#47731c · #1c7347

#73471c · #1c731c · #1c4773

Contrast

#731c73 as textRatioAAAA largeAAAFix
Aaon white
9.8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #c530c5 as the text (4.6:1)
  • AAA: use #db6bdb as the text (7.14:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (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 #731c73 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

#731c73 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #731c73
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 #731c73 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/731c73-c19fbd-95cb62-2d1f27-ede9f1?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