Color

#393c65

#393c65
hex#393c65
rgbrgb(57, 60, 101)
hslhsl(236, 28%, 31%)
oklchoklch(0.373 0.07 279.2)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0504

Colors that go with #393c65

Steel Blue, Teal 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 →

#656239

#395265 · #4c3965

#65393c · #3c6539

Split-complementary

Open in tool →

#654c39 · #526539

#653952 · #656239 · #39654c

Contrast

#393c65 as textRatioAAAA largeAAAFix
Aaon white
10.46:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #6c70ac as the text (4.55:1)
  • AAA: use #9093c1 as the text (7.13:1)
  • AA: or shift the background to #ababab (4.55:1)
  • AAA: or shift the background to #d4d4d4 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #393c65 as the background.

Brands using this color

mcpConnect your agent — build around #393c65
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 #393c65 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/393c65-9e9cc4-df8f4e-241f2d-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