Color

#598e9b

#598e9b
hex#598e9b
rgbrgb(89, 142, 155)
hslhsl(192, 27%, 48%)
oklchoklch(0.615 0.06 215)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2384

Colors that go with #598e9b

Charcoal, Copper and Cobalt Blue 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 →

#9b6759

#599b88 · #596d9b

#9b598e · #8e9b59

Split-complementary

Open in tool →

#9b596d · #9b8859

#88599b · #9b6759 · #6d9b59

Contrast

#598e9b as textRatioAAAA largeAAAFix
Aaon white
3.64:1failpassfail
  • AA: use #4e7c88 as the text (4.6:1)
  • AAA: use #3a5c64 as the text (7.25:1)
  • AA: or shift the background to #1f1f1f (4.53:1)
Aaon black
5.77:1passpassfail
  • AAA: use #6a9da9 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #598e9b as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #598e9b
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 #598e9b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/598e9b-a2b5be-df4e77-1f242d-e9f1ef?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