Color

#75178c

#75178c
hex#75178c
rgbrgb(117, 23, 140)
hslhsl(288, 72%, 32%)
oklchoklch(0.422 0.185 318.4)
Closest name: Ultraberry (#770088)Relative luminance 0.0629

Colors that go with #75178c

Forest Green, Blue Violet and Charcoal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e8c17

#3a178c · #8c1769

#8c7517 · #178c75

Split-complementary

Open in tool →

#698c17 · #178c3a

#8c3a17 · #2e8c17 · #17698c

Contrast

#75178c as textRatioAAAA largeAAAFix
Aaon white
9.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #bb31dd as the text (4.6:1)
  • AAA: use #cf6ee7 as the text (7.04:1)
  • AA: or shift the background to #b5b5b5 (4.54:1)
  • AAA: or shift the background to #e0e0e0 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #75178c 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

#75178c reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #75178c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #75178c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/75178c-be9fc1-aacb62-2d1f2a-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