Color

#425fe0

#425fe0
hex#425fe0
rgbrgb(66, 95, 224)
hslhsl(229, 72%, 57%)
oklchoklch(0.54 0.199 269)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1472

Colors that go with #425fe0

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 →

#e0c342

#42aee0 · #7442e0

#e0425f · #5fe042

Split-complementary

Open in tool →

#e07442 · #aee042

#e042ae · #e0c342 · #42e074

Contrast

#425fe0 as textRatioAAAA largeAAAFix
Aaon white
5.32:1passpassfail
  • AAA: use #2445db as the text (7.12:1)
Aaon black
3.94:1failpassfail
  • AA: use #506ae2 as the text (4.5:1)
  • AAA: use #7b90ea as the text (7.02:1)
  • AA: or shift the background to #ededed (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #425fe0 as the background.

Brands using this color

Fonts for this mood

#425fe0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #425fe0
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 #425fe0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/425fe0-9c9fc4-df7e4e-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