Color

#596fb1

#596fb1
hex#596fb1
rgbrgb(89, 111, 177)
hslhsl(225, 36%, 52%)
oklchoklch(0.554 0.106 268.8)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1667

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b19b59

#599bb1 · #6f59b1

#b1596f · #6fb159

Split-complementary

Open in tool →

#b16f59 · #9bb159

#b1599b · #b19b59 · #59b16f

Contrast

#596fb1 as textRatioAAAA largeAAAFix
Aaon white
4.85:1passpassfail
  • AAA: use #43568e as the text (7.09:1)
Aaon black
4.33:1failpassfail
  • AA: use #5c72b2 as the text (4.5:1)
  • AAA: use #8696c6 as the text (7.19:1)
  • AA: or shift the background to #f7f7f7 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #596fb1 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

#596fb1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #596fb1
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 #596fb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/596fb1-9ca1c4-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