Color

#426bbd

#426bbd
hex#426bbd
rgbrgb(66, 107, 189)
hslhsl(220, 48%, 50%)
oklchoklch(0.539 0.137 262.7)
Closest name: Campanula (#3473b7)Relative luminance 0.1535

Colors that go with #426bbd

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 →

#bd9442

#42a8bd · #5742bd

#bd426b · #6bbd42

Split-complementary

Open in tool →

#bd5742 · #a8bd42

#bd42a8 · #bd9442 · #42bd57

Contrast

#426bbd as textRatioAAAA largeAAAFix
Aaon white
5.16:1passpassfail
  • AAA: use #355697 as the text (7.17:1)
Aaon black
4.07:1failpassfail
  • AA: use #4e74c1 as the text (4.59:1)
  • AAA: use #7b97d1 as the text (7.19:1)
  • AA: or shift the background to #f0f0f0 (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 #426bbd as the background.

Brands using this color

Fonts for this mood

#426bbd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #426bbd
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 #426bbd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/426bbd-9ca5c4-df694e-211f2d-e9f0f1?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