Color

#587bd5

#587bd5
hex#587bd5
rgbrgb(88, 123, 213)
hslhsl(223, 60%, 59%)
oklchoklch(0.6 0.143 266.2)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2104

Colors that go with #587bd5

Charcoal, Sea Green and Copper 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 →

#d5b258

#58bad5 · #7358d5

#d5587b · #7bd558

Split-complementary

Open in tool →

#d57358 · #bad558

#d558ba · #d5b258 · #58d573

Contrast

#587bd5 as textRatioAAAA largeAAAFix
Aaon white
4.03:1failpassfail
  • AA: use #4b72d2 as the text (4.53:1)
  • AAA: use #2c51af as the text (7.23:1)
  • AA: or shift the background to #141414 (4.57:1)
Aaon black
5.21:1passpassfail
  • AAA: use #7895dd as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #587bd5 as the background.

Brands using this color

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

Fonts for this mood

#587bd5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #587bd5
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 #587bd5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/587bd5-9ca3c4-df704e-211f2d-e9eff1?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