Color

#b583e7

#b583e7
hex#b583e7
rgbrgb(181, 131, 231)
hslhsl(270, 68%, 71%)
oklchoklch(0.698 0.15 305.9)
Closest name: Illicit Purple (#bf77f6)Relative luminance 0.3183

Colors that go with #b583e7

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 →

#b5e783

#8383e7 · #e783e7

#e7b583 · #83e7b5

Split-complementary

Open in tool →

#e7e783 · #83e783

#e78383 · #b5e783 · #83e7e7

Contrast

#b583e7 as textRatioAAAA largeAAAFix
Aaon white
2.85:1failfailfail
  • AA: use #964fde as the text (4.7:1)
  • AAA: use #7826c9 as the text (7.19:1)
  • AA: or shift the background to #303030 (4.63:1)
  • AAA: or shift the background to #080808 (7.02:1)
Aaon black
7.37:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b583e7 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

#b583e7 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b583e7
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 #b583e7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b583e7-b59cc4-c9cb62-2c1f2d-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