Color

#383c52

#383c52
hex#383c52
rgbrgb(56, 60, 82)
hslhsl(231, 19%, 27%)
oklchoklch(0.362 0.038 276.3)
Closest name: Call It a Night (#42364c)Relative luminance 0.0468

Colors that go with #383c52

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 →

#524e38

#384952 · #413852

#52383c · #3c5238

Split-complementary

Open in tool →

#524138 · #495238

#523849 · #524e38 · #385241

Contrast

#383c52 as textRatioAAAA largeAAAFix
Aaon white
10.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #6d749c as the text (4.63:1)
  • AAA: use #8f94b3 as the text (7.05:1)
  • AA: or shift the background to #a8a8a8 (4.56:1)
  • AAA: or shift the background to #d1d1d1 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #383c52 as the background.

Brands using this color

Fonts for this mood

#383c52 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #383c52
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 #383c52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/383c52-9c9ec4-df834e-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