Color

#354f73

#354f73
hex#354f73
rgbrgb(53, 79, 115)
hslhsl(215, 37%, 33%)
oklchoklch(0.424 0.068 256.7)
Closest name: Bluedgeons (#324c64)Relative luminance 0.0759

Colors that go with #354f73

Sienna, Blue 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 #354f73

Tints & shades

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

Harmonies

Complementary

Open in tool →

#735935

#356e73 · #3a3573

#73354f · #4f7335

Split-complementary

Open in tool →

#733a35 · #6e7335

#73356e · #735935 · #35733a

Contrast

#354f73 as textRatioAAAA largeAAAFix
Aaon white
8.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #5078af as the text (4.65:1)
  • AAA: use #7a98c2 as the text (7.1:1)
  • AA: or shift the background to #bfbfbf (4.54:1)
  • AAA: or shift the background to #ededed (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 #354f73 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

#354f73 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #354f73
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 #354f73 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/354f73-9ca8c4-df5d4e-201f2d-e9f0f1?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