Color

#586cbb

#586cbb
hex#586cbb
rgbrgb(88, 108, 187)
hslhsl(228, 42%, 54%)
oklchoklch(0.553 0.125 271.1)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1639

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bba758

#589dbb · #7658bb

#bb586c · #6cbb58

Split-complementary

Open in tool →

#bb7658 · #9dbb58

#bb589d · #bba758 · #58bb76

Contrast

#586cbb as textRatioAAAA largeAAAFix
Aaon white
4.91:1passpassfail
  • AAA: use #41549f as the text (7.02:1)
Aaon black
4.28:1failpassfail
  • AA: use #6073be as the text (4.69:1)
  • AAA: use #8896ce as the text (7.3:1)
  • AA: or shift the background to #f5f5f5 (4.5:1)

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

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

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

tool url/palettes/new/586cbb-9c9fc4-df7c4e-231f2d-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