Color

#536dee

#536dee
hex#536dee
rgbrgb(83, 109, 238)
hslhsl(230, 82%, 63%)
oklchoklch(0.586 0.196 270.6)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.1895

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eed453

#53baee · #8753ee

#ee536d · #6dee53

Split-complementary

Open in tool →

#ee8753 · #baee53

#ee53ba · #eed453 · #53ee87

Contrast

#536dee as textRatioAAAA largeAAAFix
Aaon white
4.38:1failpassfail
  • AA: use #4f69ee as the text (4.58:1)
  • AAA: use #1c3ee9 as the text (7.2:1)
  • AA: or shift the background to #0a0a0a (4.52:1)
Aaon black
4.79:1passpassfail
  • AAA: use #7d91f2 as the text (7.2:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/536dee-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