Color

#395151

#395151
hex#395151
rgbrgb(57, 81, 81)
hslhsl(180, 17%, 27%)
oklchoklch(0.415 0.029 196.1)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0735

Colors that go with #395151

Blue, Blush Pink and Cadet 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.

Real palettes that use #395151

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#513939

#395145 · #394551

#513951 · #515139

Split-complementary

Open in tool →

#513945 · #514539

#453951 · #513939 · #455139

Contrast

#395151 as textRatioAAAA largeAAAFix
Aaon white
8.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #597d7d as the text (4.65:1)
  • AAA: use #769e9e as the text (7.15:1)
  • AA: or shift the background to #bdbdbd (4.53:1)
  • AAA: or shift the background to #ebebeb (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 #395151 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#395151 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #395151
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 #395151 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/395151-a2bbbe-d45994-1f272d-e9f1ed?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