Color

#4e45c9

#4e45c9
hex#4e45c9
rgbrgb(78, 69, 201)
hslhsl(244, 55%, 53%)
oklchoklch(0.483 0.197 279.1)
Closest name: Blurple (#5539cc)Relative luminance 0.1009

Colors that go with #4e45c9

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c0c945

#457ec9 · #9045c9

#c94e45 · #45c94e

Split-complementary

Open in tool →

#c99045 · #7ec945

#c9457e · #c0c945 · #45c990

Contrast

#4e45c9 as textRatioAAAA largeAAAFix
Aaon white
6.96:1passpassfail
  • AAA: use #4a41c8 as the text (7.29:1)
Aaon black
3.02:1failpassfail
  • AA: use #7069d3 as the text (4.65:1)
  • AAA: use #928cde as the text (7.03:1)
  • AA: or shift the background to #d1d1d1 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e45c9 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

#4e45c9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e45c9
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 #4e45c9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e45c9-a39cc4-dfa24e-261f2d-e9edf1?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