Color

#4e42d1

#4e42d1
hex#4e42d1
rgbrgb(78, 66, 209)
hslhsl(245, 61%, 54%)
oklchoklch(0.486 0.21 278.9)
Closest name: Blurple (#5539cc)Relative luminance 0.1012

Colors that go with #4e42d1

Charcoal, Sea Green and Amber 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.

Real palettes that use #4e42d1

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#c5d142

#427ed1 · #9642d1

#d14e42 · #42d14e

Split-complementary

Open in tool →

#d19642 · #7ed142

#d1427e · #c5d142 · #42d196

Contrast

#4e42d1 as textRatioAAAA largeAAAFix
Aaon white
6.94:1passpassfail
  • AAA: use #4a3ed0 as the text (7.26:1)
Aaon black
3.02:1failpassfail
  • AA: use #7167da as the text (4.65:1)
  • AAA: use #938ce3 as the text (7.1:1)
  • AA: or shift the background to #d1d1d1 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e42d1 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

#4e42d1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e42d1
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 #4e42d1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e42d1-a49cc4-dfa54e-261f2d-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