Color

#392d8b

#392d8b
hex#392d8b
rgbrgb(57, 45, 139)
hslhsl(248, 51%, 36%)
oklchoklch(0.373 0.149 282.2)
Closest name: Bluebell (#333399)Relative luminance 0.0461

Colors that go with #392d8b

Charcoal, Steel Blue and 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 →

#7e8b2d

#2d4f8b · #682d8b

#8b392d · #2d8b39

Split-complementary

Open in tool →

#8b682d · #4f8b2d

#8b2d4f · #7e8b2d · #2d8b68

Contrast

#392d8b as textRatioAAAA largeAAAFix
Aaon white
10.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #7669ce as the text (4.68:1)
  • AAA: use #968bda as the text (7:1)
  • AA: or shift the background to #a8a8a8 (4.59:1)
  • AAA: or shift the background to #cfcfcf (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 #392d8b 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

#392d8b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #392d8b
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 #392d8b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/392d8b-a69cc4-dfac4e-271f2d-e9ecf1?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