Color

#425eb8

#425eb8
hex#425eb8
rgbrgb(66, 94, 184)
hslhsl(226, 47%, 49%)
oklchoklch(0.508 0.146 267.9)
Closest name: Denim (#1560bd)Relative luminance 0.1262

Colors that go with #425eb8

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 →

#b89c42

#4298b8 · #6242b8

#b8425e · #5eb842

Split-complementary

Open in tool →

#b86242 · #98b842

#b84298 · #b89c42 · #42b862

Contrast

#425eb8 as textRatioAAAA largeAAAFix
Aaon white
5.96:1passpassfail
  • AAA: use #3b54a5 as the text (7.01:1)
Aaon black
3.52:1failpassfail
  • AA: use #5a73c4 as the text (4.68:1)
  • AAA: use #8093d1 as the text (7.01:1)
  • AA: or shift the background to #e0e0e0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #425eb8 as the background.

Brands using this color

Fonts for this mood

#425eb8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #425eb8
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 #425eb8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/425eb8-9ca1c4-df774e-221f2d-e9eff1?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