Color

#396cef

#396cef
hex#396cef
rgbrgb(57, 108, 239)
hslhsl(223, 85%, 58%)
oklchoklch(0.573 0.205 264.6)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1783

Colors that go with #396cef

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 →

#efbb39

#39c7ef · #6039ef

#ef396c · #6cef39

Split-complementary

Open in tool →

#ef6039 · #c7ef39

#ef39c7 · #efbb39 · #39ef60

Contrast

#396cef as textRatioAAAA largeAAAFix
Aaon white
4.6:1passpassfail
  • AAA: use #1148d4 as the text (7.24:1)
Aaon black
4.57:1passpassfail
  • AAA: use #6d93f3 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #396cef as the background.

Brands using this color

Fonts for this mood

#396cef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #396cef
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 #396cef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/396cef-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