Color

#5b2bee

#5b2bee
hex#5b2bee
rgbrgb(91, 43, 238)
hslhsl(255, 85%, 55%)
oklchoklch(0.497 0.262 282.6)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1012

Colors that go with #5b2bee

Charcoal, Denim and Cobalt 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 →

#bdee2b

#2b5bee · #bd2bee

#ee5b2b · #2bee5b

Split-complementary

Open in tool →

#eebd2b · #5bee2b

#ee2b5b · #bdee2b · #2beebd

Contrast

#5b2bee as textRatioAAAA largeAAAFix
Aaon white
6.94:1passpassfail
  • AAA: use #5826ed as the text (7.2:1)
Aaon black
3.02:1failpassfail
  • AA: use #805af2 as the text (4.66:1)
  • AAA: use #a184f5 as the text (7.13:1)
  • AA: or shift the background to #d1d1d1 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b2bee as the background.

Brands using this color

Fonts for this mood

#5b2bee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b2bee
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 #5b2bee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b2bee-ab9cc4-dfbd4e-291f2d-e9ebf1?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