Color

#b278dd

#b278dd
hex#b278dd
rgbrgb(178, 120, 221)
hslhsl(274, 60%, 67%)
oklchoklch(0.672 0.155 309.3)
Closest name: Lavender (#b56edc)Relative luminance 0.2812

Colors that go with #b278dd

Medium Sea Green, Amber 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 →

#a4dd78

#7f78dd · #dd78d7

#ddb278 · #78ddb2

Split-complementary

Open in tool →

#d7dd78 · #78dd7f

#dd7f78 · #a4dd78 · #78d7dd

Contrast

#b278dd as textRatioAAAA largeAAAFix
Aaon white
3.17:1failpassfail
  • AA: use #9c54d4 as the text (4.53:1)
  • AAA: use #7c2eb8 as the text (7.14:1)
  • AA: or shift the background to #292929 (4.59:1)
Aaon black
6.62:1passpassfail
  • AAA: use #b681df as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b278dd 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

#b278dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b278dd
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 #b278dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b278dd-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