Color

#588ad0

#588ad0
hex#588ad0
rgbrgb(88, 138, 208)
hslhsl(215, 56%, 58%)
oklchoklch(0.629 0.119 257)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2481

Colors that go with #588ad0

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 →

#d09e58

#58c6d0 · #6258d0

#d0588a · #8ad058

Split-complementary

Open in tool →

#d06258 · #c6d058

#d058c6 · #d09e58 · #58d062

Contrast

#588ad0 as textRatioAAAA largeAAAFix
Aaon white
3.52:1failpassfail
  • AA: use #3c76c8 as the text (4.55:1)
  • AAA: use #2b5897 as the text (7.13:1)
  • AA: or shift the background to #212121 (4.57:1)
Aaon black
5.96:1passpassfail
  • AAA: use #6c98d5 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #588ad0 as the background.

Brands using this color

Fonts for this mood

#588ad0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #588ad0
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 #588ad0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/588ad0-9ca8c4-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