Color

#3568de

#3568de
hex#3568de
rgbrgb(53, 104, 222)
hslhsl(222, 72%, 54%)
oklchoklch(0.551 0.189 263.7)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1593

Colors that go with #3568de

Charcoal, Amber and Blue 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 →

#deab35

#35bcde · #5735de

#de3568 · #68de35

Split-complementary

Open in tool →

#de5735 · #bcde35

#de35bc · #deab35 · #35de57

Contrast

#3568de as textRatioAAAA largeAAAFix
Aaon white
5.02:1passpassfail
  • AAA: use #1f50c1 as the text (7.06:1)
Aaon black
4.19:1failpassfail
  • AA: use #3e6ee0 as the text (4.51:1)
  • AAA: use #7396e8 as the text (7.26:1)
  • AA: or shift the background to #f5f5f5 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3568de as the background.

Brands using this color

Fonts for this mood

#3568de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3568de
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 #3568de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3568de-9ca3c4-df6e4e-211f2d-e9eff1?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