Color

#384e9f

#384e9f
hex#384e9f
rgbrgb(56, 78, 159)
hslhsl(227, 48%, 42%)
oklchoklch(0.451 0.134 269.1)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0879

Colors that go with #384e9f

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 →

#9f8838

#38819f · #55389f

#9f384e · #4e9f38

Split-complementary

Open in tool →

#9f5538 · #819f38

#9f3881 · #9f8838 · #389f55

Contrast

#384e9f as textRatioAAAA largeAAAFix
Aaon white
7.61:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #5970c5 as the text (4.55:1)
  • AAA: use #8294d3 as the text (7.13:1)
  • AA: or shift the background to #c7c7c7 (4.5:1)
  • AAA: or shift the background to #f7f7f7 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #384e9f 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

#384e9f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #384e9f
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 #384e9f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/384e9f-9ca0c4-df7a4e-221f2d-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