Color

#588cd0

#588cd0
hex#588cd0
rgbrgb(88, 140, 208)
hslhsl(214, 56%, 58%)
oklchoklch(0.634 0.117 255.7)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2538

Colors that go with #588cd0

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 →

#d09c58

#58c8d0 · #6058d0

#d0588c · #8cd058

Split-complementary

Open in tool →

#d06058 · #c8d058

#d058c8 · #d09c58 · #58d060

Contrast

#588cd0 as textRatioAAAA largeAAAFix
Aaon white
3.46:1failpassfail
  • AA: use #3876c7 as the text (4.58:1)
  • AAA: use #2a5793 as the text (7.28:1)
  • AA: or shift the background to #212121 (4.66:1)
Aaon black
6.08:1passpassfail
  • AAA: use #6c9ad5 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #588cd0 as the background.

Brands using this color

Fonts for this mood

#588cd0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #588cd0
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 #588cd0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/588cd0-9ca9c4-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