Color

#596cc9

#596cc9
hex#596cc9
rgbrgb(89, 108, 201)
hslhsl(230, 51%, 57%)
oklchoklch(0.562 0.145 272.3)
Closest name: God of Rain (#4466cc)Relative luminance 0.1707

Colors that go with #596cc9

Charcoal, Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c9b759

#59a4c9 · #7f59c9

#c9596c · #6cc959

Split-complementary

Open in tool →

#c97f59 · #a4c959

#c959a4 · #c9b759 · #59c97f

Contrast

#596cc9 as textRatioAAAA largeAAAFix
Aaon white
4.76:1passpassfail
  • AAA: use #3b4fb5 as the text (7.07:1)
Aaon black
4.41:1failpassfail
  • AA: use #5d6fcb as the text (4.6:1)
  • AAA: use #8492d7 as the text (7.07:1)
  • AA: or shift the background to #fafafa (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #596cc9 as the background.

Brands using this color

Fonts for this mood

#596cc9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #596cc9
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #596cc9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/596cc9-9c9ec4-df814e-231f2d-e9eef1?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