Color

#536fdf

#536fdf
hex#536fdf
rgbrgb(83, 111, 223)
hslhsl(228, 69%, 60%)
oklchoklch(0.579 0.173 269.7)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1854

Colors that go with #536fdf

Amber, Charcoal 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 →

#dfc353

#53b5df · #7d53df

#df536f · #6fdf53

Split-complementary

Open in tool →

#df7d53 · #b5df53

#df53b5 · #dfc353 · #53df7d

Contrast

#536fdf as textRatioAAAA largeAAAFix
Aaon white
4.46:1failpassfail
  • AA: use #4e6bdf as the text (4.67:1)
  • AAA: use #2749d3 as the text (7.05:1)
  • AA: or shift the background to #050505 (4.57:1)
Aaon black
4.71:1passpassfail
  • AAA: use #7e93e7 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #536fdf 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

#536fdf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #536fdf
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 #536fdf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/536fdf-9c9fc4-df7c4e-231f2d-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