Color

#4e56ef

#4e56ef
hex#4e56ef
rgbrgb(78, 86, 239)
hslhsl(237, 83%, 62%)
oklchoklch(0.544 0.225 273.8)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1451

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efe64e

#4ea6ef · #964eef

#ef4e56 · #56ef4e

Split-complementary

Open in tool →

#ef964e · #a6ef4e

#ef4ea6 · #efe64e · #4eef96

Contrast

#4e56ef as textRatioAAAA largeAAAFix
Aaon white
5.38:1passpassfail
  • AAA: use #323bec as the text (7.06:1)
Aaon black
3.9:1failpassfail
  • AA: use #6068f0 as the text (4.74:1)
  • AAA: use #868bf4 as the text (7.01:1)
  • AA: or shift the background to #ebebeb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e56ef 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

#4e56ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e56ef
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4e56ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e56ef-9f9cc4-df924e-251f2d-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