Color

#5b2ead

#5b2ead
hex#5b2ead
rgbrgb(91, 46, 173)
hslhsl(261, 58%, 43%)
oklchoklch(0.438 0.188 293.2)
Closest name: rebeccapurple (#663399)Relative luminance 0.072

Colors that go with #5b2ead

Charcoal, Royal Blue and 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 →

#81ad2e

#2e41ad · #9a2ead

#ad5b2e · #2ead5b

Split-complementary

Open in tool →

#ad9a2e · #41ad2e

#ad2e41 · #81ad2e · #2ead9a

Contrast

#5b2ead as textRatioAAAA largeAAAFix
Aaon white
8.61:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #875ed4 as the text (4.58:1)
  • AAA: use #a586df as the text (7.08:1)
  • AA: or shift the background to #bdbdbd (4.58:1)
  • AAA: or shift the background to #e8e8e8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b2ead as the background.

Brands using this color

Fonts for this mood

#5b2ead reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b2ead
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 #5b2ead and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b2ead-af9cc4-dfcb4e-2a1f2d-e9eaf1?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