Color

#358cb1

#358cb1
hex#358cb1
rgbrgb(53, 140, 177)
hslhsl(198, 54%, 45%)
oklchoklch(0.604 0.099 229.9)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2269

Colors that go with #358cb1

Charcoal, Copper 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 →

#b15a35

#35b198 · #354eb1

#b1358c · #8cb135

Split-complementary

Open in tool →

#b1354e · #b19835

#9835b1 · #b15a35 · #4eb135

Contrast

#358cb1 as textRatioAAAA largeAAAFix
Aaon white
3.79:1failpassfail
  • AA: use #2f7c9d as the text (4.68:1)
  • AAA: use #235d76 as the text (7.24:1)
  • AA: or shift the background to #1a1a1a (4.59:1)
Aaon black
5.54:1passpassfail
  • AAA: use #439fc7 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #358cb1 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#358cb1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #358cb1
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 #358cb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/358cb1-9cb3c4-df4e69-1f232d-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