Color

#586ebb

#586ebb
hex#586ebb
rgbrgb(88, 110, 187)
hslhsl(227, 42%, 54%)
oklchoklch(0.557 0.122 270)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1681

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bba658

#589fbb · #7458bb

#bb586e · #6ebb58

Split-complementary

Open in tool →

#bb7458 · #9fbb58

#bb589f · #bba658 · #58bb74

Contrast

#586ebb as textRatioAAAA largeAAAFix
Aaon white
4.81:1passpassfail
  • AAA: use #40549c as the text (7.08:1)
Aaon black
4.36:1failpassfail
  • AA: use #5c71bc as the text (4.54:1)
  • AAA: use #8494cd as the text (7.1:1)
  • AA: or shift the background to #fafafa (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #586ebb 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

#586ebb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #586ebb
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 #586ebb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/586ebb-9ca0c4-df7a4e-221f2d-e9eff1?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