Color

#368fdd

#368fdd
hex#368fdd
rgbrgb(54, 143, 221)
hslhsl(208, 71%, 54%)
oklchoklch(0.634 0.144 248.8)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2565

Colors that go with #368fdd

Charcoal, Copper 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 →

#dd8436

#36ddd7 · #363cdd

#dd368f · #8fdd36

Split-complementary

Open in tool →

#dd363c · #ddd736

#d736dd · #dd8436 · #3cdd36

Contrast

#368fdd as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #2178c4 as the text (4.62:1)
  • AAA: use #195b94 as the text (7.08:1)
  • AA: or shift the background to #242424 (4.53:1)
Aaon black
6.13:1passpassfail
  • AAA: use #4c9be1 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #368fdd as the background.

Brands using this color

Fonts for this mood

#368fdd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #368fdd
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 #368fdd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/368fdd-9cadc4-df4e51-1f212d-e9f1f1?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