Color

#596dab

#596dab
hex#596dab
rgbrgb(89, 109, 171)
hslhsl(225, 33%, 51%)
oklchoklch(0.546 0.1 269.3)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.16

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab9759

#5997ab · #6d59ab

#ab596d · #6dab59

Split-complementary

Open in tool →

#ab6d59 · #97ab59

#ab5997 · #ab9759 · #59ab6d

Contrast

#596dab as textRatioAAAA largeAAAFix
Aaon white
5:1passpassfail
  • AAA: use #46578b as the text (7.01:1)
Aaon black
4.2:1failpassfail
  • AA: use #6073af as the text (4.57:1)
  • AAA: use #8594c1 as the text (7:1)
  • AA: or shift the background to #f5f5f5 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #596dab 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 #596dab
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 #596dab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/596dab-9ca1c4-df754e-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