Color

#355b8d

#355b8d
hex#355b8d
rgbrgb(53, 91, 141)
hslhsl(214, 45%, 38%)
oklchoklch(0.467 0.093 255.9)
Closest name: Blue Chip (#1d5699)Relative luminance 0.1016

Colors that go with #355b8d

Charcoal, Sea Green and Amber 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 →

#8d6735

#35878d · #3b358d

#8d355b · #5b8d35

Split-complementary

Open in tool →

#8d3b35 · #878d35

#8d3587 · #8d6735 · #358d3b

Contrast

#355b8d as textRatioAAAA largeAAAFix
Aaon white
6.93:1passpassfail
  • AAA: use #345989 as the text (7.15:1)
Aaon black
3.03:1failpassfail
  • AA: use #4678b9 as the text (4.65:1)
  • AAA: use #7298ca as the text (7.06:1)
  • AA: or shift the background to #d1d1d1 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #355b8d 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

#355b8d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #355b8d
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 #355b8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/355b8d-9ca9c4-df5a4e-1f1f2d-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