Color

#396ff9

#396ff9
hex#396ff9
rgbrgb(57, 111, 249)
hslhsl(223, 94%, 60%)
oklchoklch(0.587 0.214 264.5)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1908

Colors that go with #396ff9

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 →

#f9c339

#39cff9 · #6339f9

#f9396f · #6ff939

Split-complementary

Open in tool →

#f96339 · #cff939

#f939cf · #f9c339 · #39f963

Contrast

#396ff9 as textRatioAAAA largeAAAFix
Aaon white
4.36:1failpassfail
  • AA: use #346cf9 as the text (4.51:1)
  • AAA: use #0744df as the text (7.24:1)
  • AA: or shift the background to #0a0a0a (4.54:1)
Aaon black
4.82:1passpassfail
  • AAA: use #6b93fa as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #396ff9 as the background.

Brands using this color

Fonts for this mood

#396ff9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #396ff9
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 #396ff9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/396ff9-9ca3c4-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