Color

#364ea6

#364ea6
hex#364ea6
rgbrgb(54, 78, 166)
hslhsl(227, 51%, 43%)
oklchoklch(0.456 0.144 268.6)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0899

Colors that go with #364ea6

Charcoal, Sea Green and Steel Blue 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 →

#a68d36

#3686a6 · #5536a6

#a6364e · #4ea636

Split-complementary

Open in tool →

#a65536 · #86a636

#a63686 · #a68d36 · #36a655

Contrast

#364ea6 as textRatioAAAA largeAAAFix
Aaon white
7.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2.8:1failfailfail
  • AA: use #5972c9 as the text (4.68:1)
  • AAA: use #8093d6 as the text (7.06:1)
  • AA: or shift the background to #c9c9c9 (4.53:1)
  • AAA: or shift the background to #f7f7f7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #364ea6 as the background.

Brands using this color

Fonts for this mood

#364ea6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #364ea6
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 #364ea6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/364ea6-9ca0c4-df7a4e-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