Color

#5b2bde

#5b2bde
hex#5b2bde
rgbrgb(91, 43, 222)
hslhsl(256, 73%, 52%)
oklchoklch(0.481 0.245 284.7)
Closest name: Blurple (#5539cc)Relative luminance 0.0923

Colors that go with #5b2bde

Charcoal, Royal Blue and Sea Green 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 →

#aede2b

#2b55de · #b42bde

#de5b2b · #2bde5b

Split-complementary

Open in tool →

#deb42b · #55de2b

#de2b55 · #aede2b · #2bdeb4

Contrast

#5b2bde as textRatioAAAA largeAAAFix
Aaon white
7.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.85:1failfailfail
  • AA: use #815ce6 as the text (4.61:1)
  • AAA: use #a388ec as the text (7.29:1)
  • AA: or shift the background to #cccccc (4.6:1)
  • AAA: or shift the background to #fafafa (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b2bde 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

#5b2bde reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b2bde
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 #5b2bde and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b2bde-ab9cc4-dfbf4e-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