Color

#353f73

#353f73
hex#353f73
rgbrgb(53, 63, 115)
hslhsl(230, 37%, 33%)
oklchoklch(0.386 0.089 273.3)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0555

Colors that go with #353f73

Steel Blue, Blue and Crimson 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 →

#736935

#355f73 · #4a3573

#73353f · #3f7335

Split-complementary

Open in tool →

#734a35 · #5f7335

#73355f · #736935 · #35734a

Contrast

#353f73 as textRatioAAAA largeAAAFix
Aaon white
9.95:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #6270b7 as the text (4.52:1)
  • AAA: use #8893c8 as the text (7.05:1)
  • AA: or shift the background to #b0b0b0 (4.59:1)
  • AAA: or shift the background to #d9d9d9 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #353f73 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

#353f73 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #353f73
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 #353f73 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/353f73-9c9ec4-df814e-231f2d-e9eef1?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