Color

#587adf

#587adf
hex#587adf
rgbrgb(88, 122, 223)
hslhsl(225, 68%, 61%)
oklchoklch(0.604 0.158 267.5)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2132

Colors that go with #587adf

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 →

#dfbd58

#58bddf · #7a58df

#df587a · #7adf58

Split-complementary

Open in tool →

#df7a58 · #bddf58

#df58bd · #dfbd58 · #58df7a

Contrast

#587adf as textRatioAAAA largeAAAFix
Aaon white
3.99:1failpassfail
  • AA: use #4b6fdd as the text (4.55:1)
  • AAA: use #264dc5 as the text (7.12:1)
  • AA: or shift the background to #141414 (4.62:1)
Aaon black
5.26:1passpassfail
  • AAA: use #7692e5 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 #587adf as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/587adf-9ca1c4-df754e-221f2d-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