Color

#334d5c

#334d5c
hex#334d5c
rgbrgb(51, 77, 92)
hslhsl(202, 29%, 28%)
oklchoklch(0.406 0.04 234.4)
Closest name: Bluedgeons (#324c64)Relative luminance 0.0678

Colors that go with #334d5c

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 →

#5c4233

#335c57 · #33385c

#5c334d · #4d5c33

Split-complementary

Open in tool →

#5c3338 · #5c5733

#57335c · #5c4233 · #385c33

Contrast

#334d5c as textRatioAAAA largeAAAFix
Aaon white
8.91:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #517c94 as the text (4.66:1)
  • AAA: use #759cb3 as the text (7.16:1)
  • AA: or shift the background to #bababa (4.59:1)
  • AAA: or shift the background to #e6e6e6 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #334d5c as the background.

Brands using this color

Fonts for this mood

#334d5c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #334d5c
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 #334d5c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/334d5c-9cb1c4-df4e5f-1f222d-e9f1f0?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