Color

#335a6c

#335a6c
hex#335a6c
rgbrgb(51, 90, 108)
hslhsl(199, 36%, 31%)
oklchoklch(0.446 0.053 229.4)
Closest name: Arctic Nights (#345c61)Relative luminance 0.091

Colors that go with #335a6c

Steel Blue, Sienna and 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 #335a6c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6c4533

#336c61 · #333d6c

#6c3359 · #596c33

Split-complementary

Open in tool →

#6c333d · #6c6133

#61336c · #6c4533 · #3d6c33

Contrast

#335a6c as textRatioAAAA largeAAAFix
Aaon white
7.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.82:1failfailfail
  • AA: use #467c95 as the text (4.58:1)
  • AAA: use #669eb7 as the text (7.14:1)
  • AA: or shift the background to #cccccc (4.64:1)
  • AAA: or shift the background to #fafafa (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 #335a6c 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

#335a6c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #335a6c
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 #335a6c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/335a6c-9cb3c4-df4e66-1f232d-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