Color

#393371

#393371
hex#393371
rgbrgb(57, 51, 113)
hslhsl(246, 38%, 32%)
oklchoklch(0.362 0.103 284.4)
Closest name: Her Highness (#432e6f)Relative luminance 0.0443

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6a7133

#334b71 · #583371

#713933 · #337139

Split-complementary

Open in tool →

#715833 · #4b7133

#71334b · #6a7133 · #337158

Contrast

#393371 as textRatioAAAA largeAAAFix
Aaon white
11.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #736bbd as the text (4.57:1)
  • AAA: use #958ecc as the text (7.02:1)
  • AA: or shift the background to #a6a6a6 (4.57:1)
  • AAA: or shift the background to #cfcfcf (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #393371 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

#393371 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #393371
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #393371 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/393371-a59cc4-dfa74e-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