Color

#394ec6

#394ec6
hex#394ec6
rgbrgb(57, 78, 198)
hslhsl(231, 55%, 50%)
oklchoklch(0.483 0.187 270.2)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.104

Colors that go with #394ec6

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 →

#c6b139

#3995c6 · #6a39c6

#c6394e · #4ec639

Split-complementary

Open in tool →

#c66a39 · #95c639

#c63995 · #c6b139 · #39c66a

Contrast

#394ec6 as textRatioAAAA largeAAAFix
Aaon white
6.82:1passpassfail
  • AAA: use #374bbe as the text (7.21:1)
Aaon black
3.08:1failpassfail
  • AA: use #5d6ed0 as the text (4.61:1)
  • AAA: use #8492db as the text (7.12:1)
  • AA: or shift the background to #d4d4d4 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #394ec6 as the background.

Brands using this color

Fonts for this mood

#394ec6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #394ec6
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 #394ec6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/394ec6-9c9ec4-df834e-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