Color

#356cc0

#356cc0
hex#356cc0
rgbrgb(53, 108, 192)
hslhsl(216, 57%, 48%)
oklchoklch(0.538 0.144 258.7)
Closest name: Campanula (#3473b7)Relative luminance 0.1529

Colors that go with #356cc0

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 →

#c08835

#35b2c0 · #4335c0

#c0356c · #6cc035

Split-complementary

Open in tool →

#c04335 · #b2c035

#c035b2 · #c08835 · #35c043

Contrast

#356cc0 as textRatioAAAA largeAAAFix
Aaon white
5.18:1passpassfail
  • AAA: use #2b589c as the text (7.05:1)
Aaon black
4.06:1failpassfail
  • AA: use #3b74c9 as the text (4.53:1)
  • AAA: use #6f99d8 as the text (7.22:1)
  • AA: or shift the background to #f0f0f0 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #356cc0 as the background.

Brands using this color

Fonts for this mood

#356cc0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #356cc0
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 #356cc0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/356cc0-9ca7c4-df5f4e-201f2d-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