Color

#4056fc

#4056fc
hex#4056fc
rgbrgb(64, 86, 252)
hslhsl(233, 97%, 62%)
oklchoklch(0.548 0.245 269.9)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1477

Colors that go with #4056fc

Charcoal, Crimson 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 →

#fce640

#40b4fc · #8840fc

#fc4056 · #56fc40

Split-complementary

Open in tool →

#fc8840 · #b4fc40

#fc40b4 · #fce640 · #40fc88

Contrast

#4056fc as textRatioAAAA largeAAAFix
Aaon white
5.31:1passpassfail
  • AAA: use #1832fb as the text (7.27:1)
Aaon black
3.95:1failpassfail
  • AA: use #4f63fc as the text (4.52:1)
  • AAA: use #8190fd as the text (7.34:1)
  • AA: or shift the background to #ededed (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4056fc as the background.

Brands using this color

Fonts for this mood

#4056fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4056fc
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 #4056fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4056fc-9c9cc4-df884e-241f2d-e9eef1?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