Color

#426ceb

#426ceb
hex#426ceb
rgbrgb(66, 108, 235)
hslhsl(225, 81%, 59%)
oklchoklch(0.574 0.198 266.3)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1788

Colors that go with #426ceb

Charcoal, Crimson 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 →

#ebc142

#42c1eb · #6c42eb

#eb426c · #6ceb42

Split-complementary

Open in tool →

#eb6c42 · #c1eb42

#eb42c1 · #ebc142 · #42eb6c

Contrast

#426ceb as textRatioAAAA largeAAAFix
Aaon white
4.59:1passpassfail
  • AAA: use #1747d9 as the text (7.14:1)
Aaon black
4.58:1passpassfail
  • AAA: use #7594f0 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #426ceb as the background.

Brands using this color

Fonts for this mood

#426ceb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/426ceb-9ca1c4-df754e-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