Color

#5587ce

#5587ce
hex#5587ce
rgbrgb(85, 135, 206)
hslhsl(215, 55%, 57%)
oklchoklch(0.62 0.121 257.3)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2372

Colors that go with #5587ce

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ce9b55

#55c4ce · #5f55ce

#ce5587 · #87ce55

Split-complementary

Open in tool →

#ce5f55 · #c4ce55

#ce55c4 · #ce9b55 · #55ce5f

Contrast

#5587ce as textRatioAAAA largeAAAFix
Aaon white
3.66:1failpassfail
  • AA: use #3d77c7 as the text (4.5:1)
  • AAA: use #2c5896 as the text (7.13:1)
  • AA: or shift the background to #1f1f1f (4.51:1)
Aaon black
5.74:1passpassfail
  • AAA: use #6d98d5 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 #5587ce as the background.

Brands using this color

Fonts for this mood

#5587ce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5587ce
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 #5587ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5587ce-9ca8c4-df5d4e-201f2d-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