Color

#393738

#393738
hex#393738
rgbrgb(57, 55, 56)
hslhsl(330, 2%, 22%)
oklchoklch(0.339 0.003 345.4)
Closest name: After Dark (#3c3535)Relative luminance 0.0389

Colors that go with #393738

Amber, Blue and Blush Pink 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 →

#373938

#393739 · #393737

#383937 · #373839

Split-complementary

Open in tool →

#373937 · #373939

#393937 · #373938 · #373739

Contrast

#393738 as textRatioAAAA largeAAAFix
Aaon white
11.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.78:1failfailfail
  • AA: use #787375 as the text (4.51:1)
  • AAA: use #999496 as the text (7.03:1)
  • AA: or shift the background to #a1a1a1 (4.57:1)
  • AAA: or shift the background to #c9c9c9 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #393738 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#393738 reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #393738
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 #393738 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/393738-a2beb0-c859d4-1f2d2b-eaf1e9?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