Color

#334c52

#334c52
hex#334c52
rgbrgb(51, 76, 82)
hslhsl(192, 23%, 26%)
oklchoklch(0.399 0.032 214.3)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0648

Colors that go with #334c52

Steel Blue, Teal and Sienna 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 →

#523933

#335248 · #333c52

#52334b · #4b5233

Split-complementary

Open in tool →

#52333c · #524833

#483352 · #523933 · #3c5233

Contrast

#334c52 as textRatioAAAA largeAAAFix
Aaon white
9.14:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #547d87 as the text (4.66:1)
  • AAA: use #729ca7 as the text (7.03:1)
  • AA: or shift the background to #b8b8b8 (4.61:1)
  • AAA: or shift the background to #e3e3e3 (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 #334c52 as the background.

Brands using this color

Fonts for this mood

#334c52 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #334c52
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 #334c52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/334c52-a2b5be-df4e77-1f242d-e9f1ef?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