Color

#780aa4

#780aa4
hex#780aa4
rgbrgb(120, 10, 164)
hslhsl(283, 89%, 34%)
oklchoklch(0.439 0.213 312)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0689

Tints & shades

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

Harmonies

Complementary

Open in tool →

#35a40a

#2b0aa4 · #a40a82

#a4780a · #0aa478

Split-complementary

Open in tool →

#82a40a · #0aa42b

#a42b0a · #35a40a · #0a82a4

Contrast

#780aa4 as textRatioAAAA largeAAAFix
Aaon white
8.83:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #b721f2 as the text (4.51:1)
  • AAA: use #ce6af6 as the text (7.02:1)
  • AA: or shift the background to #bababa (4.55:1)
  • AAA: or shift the background to #e6e6e6 (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 #780aa4 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

#780aa4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #780aa4
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 #780aa4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/780aa4-bb9fc1-b2cb62-2d1f2b-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