Color

#536ee4

#536ee4
hex#536ee4
rgbrgb(83, 110, 228)
hslhsl(229, 73%, 61%)
oklchoklch(0.581 0.181 270.2)
Closest name: royalblue (#4169e1)Relative luminance 0.1859

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#e4ca53

#53b6e4 · #8153e4

#e4536e · #6ee453

Split-complementary

Open in tool →

#e48153 · #b6e453

#e453b6 · #e4ca53 · #53e481

Contrast

#536ee4 as textRatioAAAA largeAAAFix
Aaon white
4.45:1failpassfail
  • AA: use #4f6ae3 as the text (4.66:1)
  • AAA: use #2245dd as the text (7.09:1)
  • AA: or shift the background to #050505 (4.58:1)
Aaon black
4.72:1passpassfail
  • AAA: use #7f93eb as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #536ee4 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

#536ee4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #536ee4
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #536ee4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/536ee4-9c9fc4-df7e4e-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