Color

#393347

#393347
hex#393347
rgbrgb(57, 51, 71)
hslhsl(258, 16%, 24%)
oklchoklch(0.336 0.035 298.2)
Closest name: Call It a Night (#42364c)Relative luminance 0.0369

Colors that go with #393347

Dark Olive Green, Sea Green and Sienna 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 →

#414733

#333747 · #433347

#473933 · #334739

Split-complementary

Open in tool →

#474333 · #374733

#473337 · #414733 · #334743

Contrast

#393347 as textRatioAAAA largeAAAFix
Aaon white
12.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #7d7198 as the text (4.69:1)
  • AAA: use #9b92b0 as the text (7.13:1)
  • AA: or shift the background to #9e9e9e (4.51:1)
  • AAA: or shift the background to #c7c7c7 (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 #393347 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#393347 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #393347
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 #393347 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/393347-ad9cc4-dfc44e-291f2d-e9ebf1?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