Color

#3563c0

#3563c0
hex#3563c0
rgbrgb(53, 99, 192)
hslhsl(220, 57%, 48%)
oklchoklch(0.518 0.155 262.5)
Closest name: Denim (#1560bd)Relative luminance 0.1349

Colors that go with #3563c0

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 →

#c09235

#35a9c0 · #4c35c0

#c03563 · #63c035

Split-complementary

Open in tool →

#c04c35 · #a9c035

#c035a9 · #c09235 · #35c04c

Contrast

#3563c0 as textRatioAAAA largeAAAFix
Aaon white
5.68:1passpassfail
  • AAA: use #2d55a4 as the text (7.13:1)
Aaon black
3.7:1failpassfail
  • AA: use #4773cd as the text (4.6:1)
  • AAA: use #7395d9 as the text (7.03:1)
  • AA: or shift the background to #e6e6e6 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3563c0 as the background.

Brands using this color

Fonts for this mood

#3563c0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3563c0
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 #3563c0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3563c0-9ca5c4-df694e-211f2d-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