Color

#5b2cdd

#5b2cdd
hex#5b2cdd
rgbrgb(91, 44, 221)
hslhsl(256, 72%, 52%)
oklchoklch(0.481 0.243 284.8)
Closest name: Blurple (#5539cc)Relative luminance 0.0925

Colors that go with #5b2cdd

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 →

#aedd2c

#2c56dd · #b42cdd

#dd5b2c · #2cdd5b

Split-complementary

Open in tool →

#ddb42c · #56dd2c

#dd2c56 · #aedd2c · #2cddb4

Contrast

#5b2cdd as textRatioAAAA largeAAAFix
Aaon white
7.37:1passpasspassPasses AAA — no fix needed.
Aaon black
2.85:1failfailfail
  • AA: use #815de5 as the text (4.63:1)
  • AAA: use #a389ec as the text (7.35:1)
  • AA: or shift the background to #cccccc (4.59:1)
  • AAA: or shift the background to #fafafa (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b2cdd 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

#5b2cdd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b2cdd
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 #5b2cdd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b2cdd-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