Color

#394db1

#394db1
hex#394db1
rgbrgb(57, 77, 177)
hslhsl(230, 51%, 46%)
oklchoklch(0.464 0.16 270.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0935

Colors that go with #394db1

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 →

#b19d39

#3989b1 · #6139b1

#b1394d · #4db139

Split-complementary

Open in tool →

#b16139 · #89b139

#b13989 · #b19d39 · #39b161

Contrast

#394db1 as textRatioAAAA largeAAAFix
Aaon white
7.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.87:1failfailfail
  • AA: use #5d6fcb as the text (4.6:1)
  • AAA: use #8492d7 as the text (7.07:1)
  • AA: or shift the background to #cccccc (4.56:1)
  • AAA: or shift the background to #fafafa (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #394db1 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#394db1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #394db1
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 #394db1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/394db1-9c9ec4-df814e-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