Color

#4e5cf9

#4e5cf9
hex#4e5cf9
rgbrgb(78, 92, 249)
hslhsl(235, 93%, 64%)
oklchoklch(0.562 0.231 272.5)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1611

Colors that go with #4e5cf9

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 →

#f9ea4e

#4eb1f9 · #954ef9

#f94e5c · #5cf94e

Split-complementary

Open in tool →

#f9954e · #b1f94e

#f94eb1 · #f9ea4e · #4ef995

Contrast

#4e5cf9 as textRatioAAAA largeAAAFix
Aaon white
4.97:1passpassfail
  • AAA: use #2638f7 as the text (7.02:1)
Aaon black
4.22:1failpassfail
  • AA: use #5865f9 as the text (4.64:1)
  • AAA: use #848efb as the text (7.24:1)
  • AA: or shift the background to #f5f5f5 (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 #4e5cf9 as the background.

Brands using this color

Fonts for this mood

#4e5cf9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e5cf9
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 #4e5cf9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e5cf9-9e9cc4-df8d4e-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