Color

#780fa9

#780fa9
hex#780fa9
rgbrgb(120, 15, 169)
hslhsl(281, 84%, 36%)
oklchoklch(0.445 0.215 310.3)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.072

Tints & shades

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

Harmonies

Complementary

Open in tool →

#40a90f

#2b0fa9 · #a90f8d

#a9780f · #0fa978

Split-complementary

Open in tool →

#8da90f · #0fa92b

#a92b0f · #40a90f · #0f8da9

Contrast

#780fa9 as textRatioAAAA largeAAAFix
Aaon white
8.61:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #b131ed as the text (4.53:1)
  • AAA: use #ca72f3 as the text (7.21:1)
  • AA: or shift the background to #bdbdbd (4.58:1)
  • AAA: or shift the background to #e8e8e8 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #780fa9 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

#780fa9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #780fa9
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 #780fa9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/780fa9-ba9fc1-b6cb62-2d1f2c-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