Color

#393d56

#393d56
hex#393d56
rgbrgb(57, 61, 86)
hslhsl(232, 20%, 28%)
oklchoklch(0.367 0.043 277)
Closest name: Call It a Night (#42364c)Relative luminance 0.0488

Colors that go with #393d56

Dark Olive Green, 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 →

#565239

#394b56 · #443956

#56393d · #3d5639

Split-complementary

Open in tool →

#564439 · #4b5639

#56394b · #565239 · #395644

Contrast

#393d56 as textRatioAAAA largeAAAFix
Aaon white
10.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.98:1failfailfail
  • AA: use #6c739d as the text (4.58:1)
  • AAA: use #9196b6 as the text (7.24:1)
  • AA: or shift the background to #ababab (4.63:1)
  • AAA: or shift the background to #d4d4d4 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #393d56 as the background.

Brands using this color

Fonts for this mood

#393d56 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #393d56
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 #393d56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/393d56-9c9dc4-df864e-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