Color

#355b73

#355b73
hex#355b73
rgbrgb(53, 91, 115)
hslhsl(203, 37%, 33%)
oklchoklch(0.453 0.059 237.7)
Closest name: Atlantis (#336172)Relative luminance 0.0948

Tints & shades

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

Harmonies

Complementary

Open in tool →

#734d35

#35736c · #353c73

#73355b · #5b7335

Split-complementary

Open in tool →

#73353c · #736c35

#6c3573 · #734d35 · #3c7335

Contrast

#355b73 as textRatioAAAA largeAAAFix
Aaon white
7.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.9:1failfailfail
  • AA: use #477a9a as the text (4.52:1)
  • AAA: use #6c9dbc as the text (7.19:1)
  • AA: or shift the background to #cccccc (4.52:1)
  • AAA: or shift the background to #fcfcfc (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #355b73 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

#355b73 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #355b73
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #355b73 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/355b73-9cb0c4-df4e5d-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