Color

#4b2bbf

#4b2bbf
hex#4b2bbf
rgbrgb(75, 43, 191)
hslhsl(253, 63%, 46%)
oklchoklch(0.435 0.213 283)
Closest name: Blurple (#5539cc)Relative luminance 0.0699

Colors that go with #4b2bbf

Charcoal, Denim 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 →

#9fbf2b

#2b55bf · #952bbf

#bf4b2b · #2bbf4b

Split-complementary

Open in tool →

#bf952b · #55bf2b

#bf2b55 · #9fbf2b · #2bbf95

Contrast

#4b2bbf as textRatioAAAA largeAAAFix
Aaon white
8.76:1passpasspassPasses AAA — no fix needed.
Aaon black
2.4:1failfailfail
  • AA: use #7c61db as the text (4.59:1)
  • AAA: use #9e8be5 as the text (7.28:1)
  • AA: or shift the background to #bababa (4.51:1)
  • AAA: or shift the background to #e6e6e6 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b2bbf 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

#4b2bbf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b2bbf
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 #4b2bbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b2bbf-a99cc4-dfb84e-281f2d-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