Color

#b378de

#b378de
hex#b378de
rgbrgb(179, 120, 222)
hslhsl(275, 61%, 67%)
oklchoklch(0.674 0.157 309.5)
Closest name: Lavender (#b56edc)Relative luminance 0.2829

Colors that go with #b378de

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 →

#a2de78

#8078de · #de78d6

#deb378 · #78deb3

Split-complementary

Open in tool →

#d6de78 · #78de80

#de8078 · #a2de78 · #78d6de

Contrast

#b378de as textRatioAAAA largeAAAFix
Aaon white
3.15:1failpassfail
  • AA: use #9c4ed4 as the text (4.71:1)
  • AAA: use #7e2db9 as the text (7.09:1)
  • AA: or shift the background to #292929 (4.61:1)
Aaon black
6.66:1passpassfail
  • AAA: use #b880e0 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b378de 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

#b378de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b378de
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 #b378de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b378de-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