Color

#58597e

#58597e
hex#58597e
rgbrgb(88, 89, 126)
hslhsl(238, 18%, 42%)
oklchoklch(0.478 0.059 282.7)
Closest name: Deep Indigo (#4c567a)Relative luminance 0.1073

Colors that go with #58597e

Charcoal, Steel Blue and 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.

Real palettes that use #58597e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7e7d58

#586c7e · #6a587e

#7e5859 · #597e58

Split-complementary

Open in tool →

#7e6a58 · #6c7e58

#7e586c · #7e7d58 · #587e6a

Contrast

#58597e as textRatioAAAA largeAAAFix
Aaon white
6.68:1passpassfail
  • AAA: use #545578 as the text (7.12:1)
Aaon black
3.15:1failpassfail
  • AA: use #72739d as the text (4.65:1)
  • AAA: use #9394b4 as the text (7.14:1)
  • AA: or shift the background to #d4d4d4 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #58597e 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 #58597e
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 #58597e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/58597e-9f9cc4-df944e-251f2d-e9edf1?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