Color

#4b2fa7

#4b2fa7
hex#4b2fa7
rgbrgb(75, 47, 167)
hslhsl(254, 56%, 42%)
oklchoklch(0.417 0.18 286.4)
Closest name: Bluebell (#333399)Relative luminance 0.0632

Colors that go with #4b2fa7

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 →

#8ba72f

#2f4fa7 · #872fa7

#a74b2f · #2fa74b

Split-complementary

Open in tool →

#a7872f · #4fa72f

#a72f4f · #8ba72f · #2fa787

Contrast

#4b2fa7 as textRatioAAAA largeAAAFix
Aaon white
9.28:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #7e64d3 as the text (4.65:1)
  • AAA: use #9f8cde as the text (7.28:1)
  • AA: or shift the background to #b5b5b5 (4.52:1)
  • AAA: or shift the background to #e0e0e0 (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 #4b2fa7 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

#4b2fa7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b2fa7
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 #4b2fa7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b2fa7-aa9cc4-dfbb4e-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