Color

#425df5

#425df5
hex#425df5
rgbrgb(66, 93, 245)
hslhsl(231, 90%, 61%)
oklchoklch(0.554 0.228 269.5)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1558

Colors that go with #425df5

Charcoal, Crimson and Sea Green 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 →

#f5da42

#42b6f5 · #8142f5

#f5425d · #5df542

Split-complementary

Open in tool →

#f58142 · #b6f542

#f542b6 · #f5da42 · #42f581

Contrast

#425df5 as textRatioAAAA largeAAAFix
Aaon white
5.1:1passpassfail
  • AAA: use #1b3cf3 as the text (7.03:1)
Aaon black
4.12:1failpassfail
  • AA: use #5169f6 as the text (4.7:1)
  • AAA: use #7c8ff8 as the text (7.14:1)
  • AA: or shift the background to #f2f2f2 (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 #425df5 as the background.

Brands using this color

Fonts for this mood

#425df5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #425df5
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 #425df5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/425df5-9c9ec4-df834e-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