Color

#780cc6

#780cc6
hex#780cc6
rgbrgb(120, 12, 198)
hslhsl(275, 89%, 41%)
oklchoklch(0.469 0.241 302.5)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.0833

Colors that go with #780cc6

Olive Green, Royal Blue and Teal 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.

Real palettes that use #780cc6

Tints & shades

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

Harmonies

Complementary

Open in tool →

#59c60c

#1b0cc6 · #c60cb6

#c6780c · #0cc678

Split-complementary

Open in tool →

#b6c60c · #0cc61b

#c61b0c · #59c60c · #0cb6c6

Contrast

#780cc6 as textRatioAAAA largeAAAFix
Aaon white
7.88:1passpasspassPasses AAA — no fix needed.
Aaon black
2.67:1failfailfail
  • AA: use #a639f3 as the text (4.5:1)
  • AAA: use #c073f7 as the text (7.04:1)
  • AA: or shift the background to #c4c4c4 (4.52:1)
  • AAA: or shift the background to #f2f2f2 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #780cc6 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

#780cc6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #780cc6
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 #780cc6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/780cc6-b89cc4-c0cb62-2d1f2d-eae9f1?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