Color

#335b71

#335b71
hex#335b71
rgbrgb(51, 91, 113)
hslhsl(201, 38%, 32%)
oklchoklch(0.451 0.058 234.1)
Closest name: Atlantis (#336172)Relative luminance 0.0938

Colors that go with #335b71

Royal Blue, Sienna 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 #335b71

Tints & shades

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

Harmonies

Complementary

Open in tool →

#714833

#337167 · #333c71

#71335b · #5b7133

Split-complementary

Open in tool →

#71333c · #716733

#673371 · #714833 · #3c7133

Contrast

#335b71 as textRatioAAAA largeAAAFix
Aaon white
7.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.88:1failfailfail
  • AA: use #467d9b as the text (4.67:1)
  • AAA: use #689ebb as the text (7.2:1)
  • AA: or shift the background to #cccccc (4.55:1)
  • AAA: or shift the background to #fcfcfc (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #335b71 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

#335b71 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #335b71
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 #335b71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/335b71-9cb1c4-df4e62-1f222d-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