Color

#4559de

#4559de
hex#4559de
rgbrgb(69, 89, 222)
hslhsl(232, 70%, 57%)
oklchoklch(0.529 0.202 271.1)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1368

Colors that go with #4559de

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 →

#deca45

#45a6de · #7d45de

#de4559 · #59de45

Split-complementary

Open in tool →

#de7d45 · #a6de45

#de45a6 · #deca45 · #45de7d

Contrast

#4559de as textRatioAAAA largeAAAFix
Aaon white
5.62:1passpassfail
  • AAA: use #2b42da as the text (7.26:1)
Aaon black
3.74:1failpassfail
  • AA: use #5a6ce2 as the text (4.68:1)
  • AAA: use #818fe9 as the text (7.04:1)
  • AA: or shift the background to #e6e6e6 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4559de as the background.

Brands using this color

Fonts for this mood

#4559de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4559de
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 #4559de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4559de-9c9dc4-df864e-231f2d-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