Color

#587aa7

#587aa7
hex#587aa7
rgbrgb(88, 122, 167)
hslhsl(214, 31%, 50%)
oklchoklch(0.573 0.08 255.7)
Closest name: Blue Triumph (#4376ab)Relative luminance 0.1878

Colors that go with #587aa7

Charcoal, Copper and Sea Green 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 #587aa7

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a78558

#58a2a7 · #5d58a7

#a7587a · #7aa758

Split-complementary

Open in tool →

#a75d58 · #a2a758

#a758a2 · #a78558 · #58a75d

Contrast

#587aa7 as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #5678a4 as the text (4.55:1)
  • AAA: use #415a7c as the text (7.05:1)
  • AA: or shift the background to #080808 (4.54:1)
Aaon black
4.76:1passpassfail
  • AAA: use #7d97ba 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 #587aa7 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 #587aa7
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 #587aa7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/587aa7-9ca9c4-df5a4e-1f1f2d-e9f0f1?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