Color

#536be4

#536be4
hex#536be4
rgbrgb(83, 107, 228)
hslhsl(230, 73%, 61%)
oklchoklch(0.575 0.185 271)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1796

Colors that go with #536be4

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 →

#e4cc53

#53b4e4 · #8353e4

#e4536b · #6be453

Split-complementary

Open in tool →

#e48353 · #b4e453

#e453b4 · #e4cc53 · #53e483

Contrast

#536be4 as textRatioAAAA largeAAAFix
Aaon white
4.57:1passpassfail
  • AAA: use #2745dd as the text (7.04:1)
Aaon black
4.59:1passpassfail
  • AAA: use #7f91eb as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #536be4 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

#536be4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #536be4
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 #536be4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/536be4-9c9ec4-df814e-231f2d-e9eef1?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