Color

#b573e7

#b573e7
hex#b573e7
rgbrgb(181, 115, 231)
hslhsl(274, 71%, 68%)
oklchoklch(0.673 0.176 308.7)
Closest name: Lavender (#b56edc)Relative luminance 0.2785

Colors that go with #b573e7

Medium Sea Green, Amber and Medium Slate Blue 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 →

#a6e773

#7b73e7 · #e773e0

#e7b573 · #73e7b5

Split-complementary

Open in tool →

#e0e773 · #73e77b

#e77b73 · #a6e773 · #73e0e7

Contrast

#b573e7 as textRatioAAAA largeAAAFix
Aaon white
3.2:1failpassfail
  • AA: use #a04ce1 as the text (4.55:1)
  • AAA: use #8022c9 as the text (7.02:1)
  • AA: or shift the background to #292929 (4.55:1)
Aaon black
6.57:1passpassfail
  • AAA: use #ba7ce9 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b573e7 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

#b573e7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b573e7
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 #b573e7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b573e7-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