Color

#384eb7

#384eb7
hex#384eb7
rgbrgb(56, 78, 183)
hslhsl(230, 53%, 47%)
oklchoklch(0.47 0.167 269.8)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0971

Colors that go with #384eb7

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 →

#b7a238

#388db7 · #6338b7

#b7384e · #4eb738

Split-complementary

Open in tool →

#b76338 · #8db738

#b7388d · #b7a238 · #38b763

Contrast

#384eb7 as textRatioAAAA largeAAAFix
Aaon white
7.14:1passpasspassPasses AAA — no fix needed.
Aaon black
2.94:1failfailfail
  • AA: use #5b6ecd as the text (4.56:1)
  • AAA: use #8291d9 as the text (7:1)
  • AA: or shift the background to #cfcfcf (4.58:1)
  • AAA: or shift the background to #ffffff (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #384eb7 as the background.

Brands using this color

Fonts for this mood

#384eb7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #384eb7
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 #384eb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/384eb7-9c9ec4-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