Color

#4e2881

#4e2881
hex#4e2881
rgbrgb(78, 40, 129)
hslhsl(266, 53%, 33%)
oklchoklch(0.378 0.143 299)
Closest name: Galactic Civilization (#442288)Relative luminance 0.0472

Colors that go with #4e2881

Royal Blue, Blue and Charcoal 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 →

#5a8128

#282d81 · #7b2881

#814e28 · #28814e

Split-complementary

Open in tool →

#817b28 · #2d8128

#81282d · #5a8128 · #28817b

Contrast

#4e2881 as textRatioAAAA largeAAAFix
Aaon white
10.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #8f5fce as the text (4.7:1)
  • AAA: use #aa86da as the text (7.13:1)
  • AA: or shift the background to #a8a8a8 (4.54:1)
  • AAA: or shift the background to #d1d1d1 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e2881 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

#4e2881 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e2881
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 #4e2881 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e2881-b29cc4-dfd74e-2b1f2d-e9eaf1?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