Color

#383e52

#383e52
hex#383e52
rgbrgb(56, 62, 82)
hslhsl(226, 19%, 27%)
oklchoklch(0.367 0.036 271.6)
Closest name: Charcoal (#36454f)Relative luminance 0.049

Colors that go with #383e52

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 →

#524c38

#384b52 · #3f3852

#52383e · #3e5238

Split-complementary

Open in tool →

#523f38 · #4b5238

#52384b · #524c38 · #38523f

Contrast

#383e52 as textRatioAAAA largeAAAFix
Aaon white
10.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.98:1failfailfail
  • AA: use #6a759a as the text (4.62:1)
  • AAA: use #8f97b3 as the text (7.25:1)
  • AA: or shift the background to #ababab (4.62:1)
  • AAA: or shift the background to #d4d4d4 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #383e52 as the background.

Brands using this color

Fonts for this mood

#383e52 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #383e52
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 #383e52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/383e52-9ca1c4-df774e-221f2d-e9eff1?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