Color

#366ae2

#366ae2
hex#366ae2
rgbrgb(54, 106, 226)
hslhsl(222, 75%, 55%)
oklchoklch(0.558 0.191 263.7)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1658

Colors that go with #366ae2

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 →

#e2af36

#36c0e2 · #5936e2

#e2366a · #6ae236

Split-complementary

Open in tool →

#e25936 · #c0e236

#e236c0 · #e2af36 · #36e259

Contrast

#366ae2 as textRatioAAAA largeAAAFix
Aaon white
4.86:1passpassfail
  • AAA: use #1c4fc4 as the text (7.08:1)
Aaon black
4.32:1failpassfail
  • AA: use #3f70e4 as the text (4.65:1)
  • AAA: use #7095eb as the text (7.19:1)
  • AA: or shift the background to #f7f7f7 (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 #366ae2 as the background.

Brands using this color

Fonts for this mood

#366ae2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #366ae2
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 #366ae2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/366ae2-9ca3c4-df6e4e-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