Color

#4b2bee

#4b2bee
hex#4b2bee
rgbrgb(75, 43, 238)
hslhsl(250, 85%, 55%)
oklchoklch(0.484 0.265 277.4)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.094

Colors that go with #4b2bee

Charcoal, Cobalt Blue and Cornflower 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 →

#cdee2b

#2b6cee · #ad2bee

#ee4b2b · #2bee4b

Split-complementary

Open in tool →

#eead2b · #6cee2b

#ee2b6c · #cdee2b · #2beead

Contrast

#4b2bee as textRatioAAAA largeAAAFix
Aaon white
7.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.88:1failfailfail
  • AA: use #775ff2 as the text (4.7:1)
  • AAA: use #9b89f5 as the text (7.29:1)
  • AA: or shift the background to #cccccc (4.54:1)
  • AAA: or shift the background to #fcfcfc (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b2bee 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

#4b2bee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b2bee
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 #4b2bee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b2bee-a79cc4-dfb14e-281f2d-e9ecf1?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