Color

#5663dc

#5663dc
hex#5663dc
rgbrgb(86, 99, 220)
hslhsl(234, 66%, 60%)
oklchoklch(0.556 0.183 274.2)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1607

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dccf56

#56a6dc · #8c56dc

#dc5663 · #63dc56

Split-complementary

Open in tool →

#dc8c56 · #a6dc56

#dc56a6 · #dccf56 · #56dc8c

Contrast

#5663dc as textRatioAAAA largeAAAFix
Aaon white
4.98:1passpassfail
  • AAA: use #3444d5 as the text (7.16:1)
Aaon black
4.21:1failpassfail
  • AA: use #5e6bde as the text (4.63:1)
  • AAA: use #8892e7 as the text (7.31:1)
  • AA: or shift the background to #f5f5f5 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5663dc 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

#5663dc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5663dc
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 #5663dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5663dc-9d9cc4-df8a4e-241f2d-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