Color

#588189

#588189
hex#588189
rgbrgb(88, 129, 137)
hslhsl(190, 22%, 44%)
oklchoklch(0.576 0.047 211.1)
Closest name: Arctic (#648589)Relative luminance 0.1958

Colors that go with #588189

Charcoal, Copper 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.

Real palettes that use #588189

Tints & shades

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

Harmonies

Complementary

Open in tool →

#896058

#588978 · #586889

#895881 · #818958

Split-complementary

Open in tool →

#895868 · #897858

#785889 · #896058 · #688958

Contrast

#588189 as textRatioAAAA largeAAAFix
Aaon white
4.27:1failpassfail
  • AA: use #547b83 as the text (4.63:1)
  • AAA: use #3e5b60 as the text (7.32:1)
  • AA: or shift the background to #0d0d0d (4.55:1)
Aaon black
4.92:1passpassfail
  • AAA: use #739da5 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #588189 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 #588189
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 #588189 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/588189-a2b6be-df4e7c-1f252d-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