Color

#586ea7

#586ea7
hex#586ea7
rgbrgb(88, 110, 167)
hslhsl(223, 31%, 50%)
oklchoklch(0.546 0.093 267.2)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1602

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a79158

#5896a7 · #6958a7

#a7586e · #6ea758

Split-complementary

Open in tool →

#a76958 · #96a758

#a75896 · #a79158 · #58a769

Contrast

#586ea7 as textRatioAAAA largeAAAFix
Aaon white
5:1passpassfail
  • AAA: use #455682 as the text (7.23:1)
Aaon black
4.2:1failpassfail
  • AA: use #5f74ab as the text (4.57:1)
  • AAA: use #8797c0 as the text (7.22:1)
  • AA: or shift the background to #f5f5f5 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #586ea7 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #586ea7
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 #586ea7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/586ea7-9ca3c4-df704e-211f2d-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