Color

#4e58df

#4e58df
hex#4e58df
rgbrgb(78, 88, 223)
hslhsl(236, 69%, 59%)
oklchoklch(0.534 0.203 274)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1393

Colors that go with #4e58df

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 →

#dfd54e

#4ea0df · #8d4edf

#df4e58 · #58df4e

Split-complementary

Open in tool →

#df8d4e · #a0df4e

#df4ea0 · #dfd54e · #4edf8d

Contrast

#4e58df as textRatioAAAA largeAAAFix
Aaon white
5.55:1passpassfail
  • AAA: use #343fda as the text (7.32:1)
Aaon black
3.79:1failpassfail
  • AA: use #6068e2 as the text (4.58:1)
  • AAA: use #868de9 as the text (7:1)
  • AA: or shift the background to #e8e8e8 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e58df as the background.

Brands using this color

Fonts for this mood

#4e58df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e58df
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 #4e58df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e58df-9e9cc4-df8f4e-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