Color

#565bb3

#565bb3
hex#565bb3
rgbrgb(86, 91, 179)
hslhsl(237, 38%, 52%)
oklchoklch(0.512 0.137 277.9)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1272

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b3ae56

#5689b3 · #8056b3

#b3565b · #5bb356

Split-complementary

Open in tool →

#b38056 · #89b356

#b35689 · #b3ae56 · #56b380

Contrast

#565bb3 as textRatioAAAA largeAAAFix
Aaon white
5.93:1passpassfail
  • AAA: use #4a4fa5 as the text (7.11:1)
Aaon black
3.54:1failpassfail
  • AA: use #6b6fbd as the text (4.63:1)
  • AAA: use #8e91cc as the text (7.07:1)
  • AA: or shift the background to #e3e3e3 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #565bb3 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

#565bb3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #565bb3
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 #565bb3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/565bb3-9f9cc4-df924e-251f2d-e9edf1?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