Color

#364db5

#364db5
hex#364db5
rgbrgb(54, 77, 181)
hslhsl(229, 54%, 46%)
oklchoklch(0.465 0.167 269.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0943

Colors that go with #364db5

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 →

#b59d36

#368db5 · #5e36b5

#b5364d · #4db536

Split-complementary

Open in tool →

#b55e36 · #8db536

#b5368d · #b59d36 · #36b55e

Contrast

#364db5 as textRatioAAAA largeAAAFix
Aaon white
7.28:1passpasspassPasses AAA — no fix needed.
Aaon black
2.89:1failfailfail
  • AA: use #5a6fce as the text (4.6:1)
  • AAA: use #8595db as the text (7.32:1)
  • AA: or shift the background to #cccccc (4.53:1)
  • AAA: or shift the background to #fcfcfc (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #364db5 as the background.

Brands using this color

Fonts for this mood

#364db5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #364db5
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 #364db5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/364db5-9c9fc4-df7e4e-231f2d-e9eef1?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