Color

#4e0387

#4e0387
hex#4e0387
rgbrgb(78, 3, 135)
hslhsl(274, 96%, 27%)
oklchoklch(0.35 0.183 301.4)
Closest name: Indigo Static (#4b0183)Relative luminance 0.0343

Colors that go with #4e0387

Olive Green, Charcoal and Crimson 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 →

#3c8703

#0c0387 · #87037e

#874e03 · #03874e

Split-complementary

Open in tool →

#7e8703 · #03870c

#870c03 · #3c8703 · #037e87

Contrast

#4e0387 as textRatioAAAA largeAAAFix
Aaon white
12.45:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #a637fb as the text (4.56:1)
  • AAA: use #c173fc as the text (7.13:1)
  • AA: or shift the background to #9c9c9c (4.53:1)
  • AAA: or shift the background to #c4c4c4 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e0387 as the background.

Brands using this color

Fonts for this mood

#4e0387 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e0387
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 #4e0387 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e0387-b79cc4-c2cb62-2d1f2d-eae9f1?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