Color

#780bcb

#780bcb
hex#780bcb
rgbrgb(120, 11, 203)
hslhsl(274, 90%, 42%)
oklchoklch(0.474 0.245 301.4)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.0854

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5ecb0b

#180bcb · #cb0bbf

#cb780b · #0bcb78

Split-complementary

Open in tool →

#bfcb0b · #0bcb18

#cb180b · #5ecb0b · #0bbfcb

Contrast

#780bcb as textRatioAAAA largeAAAFix
Aaon white
7.75:1passpasspassPasses AAA — no fix needed.
Aaon black
2.71:1failfailfail
  • AA: use #a53df5 as the text (4.59:1)
  • AAA: use #c077f8 as the text (7.24:1)
  • AA: or shift the background to #c7c7c7 (4.59:1)
  • AAA: or shift the background to #f5f5f5 (7.11:1)

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

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

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

tool url/palettes/new/780bcb-b79cc4-c2cb62-2d1f2d-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