Color

#366aec

#366aec
hex#366aec
rgbrgb(54, 106, 236)
hslhsl(223, 83%, 57%)
oklchoklch(0.566 0.204 264.3)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1715

Colors that go with #366aec

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 →

#ecb936

#36c5ec · #5e36ec

#ec366a · #6aec36

Split-complementary

Open in tool →

#ec5e36 · #c5ec36

#ec36c5 · #ecb936 · #36ec5e

Contrast

#366aec as textRatioAAAA largeAAAFix
Aaon white
4.74:1passpassfail
  • AAA: use #1449d2 as the text (7.21:1)
Aaon black
4.43:1failpassfail
  • AA: use #3b6ded as the text (4.6:1)
  • AAA: use #6e94f2 as the text (7.18:1)
  • AA: or shift the background to #fafafa (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #366aec as the background.

Brands using this color

Fonts for this mood

#366aec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #366aec
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 #366aec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/366aec-9ca3c4-df704e-211f2d-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