Color

#588cdf

#588cdf
hex#588cdf
rgbrgb(88, 140, 223)
hslhsl(217, 68%, 61%)
oklchoklch(0.642 0.137 259.4)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2616

Colors that go with #588cdf

Charcoal, Amber and Blue 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 →

#dfab58

#58cfdf · #6858df

#df588c · #8cdf58

Split-complementary

Open in tool →

#df6858 · #cfdf58

#df58cf · #dfab58 · #58df68

Contrast

#588cdf as textRatioAAAA largeAAAFix
Aaon white
3.37:1failpassfail
  • AA: use #3674d9 as the text (4.51:1)
  • AAA: use #2156ab as the text (7.04:1)
  • AA: or shift the background to #242424 (4.61:1)
Aaon black
6.23:1passpassfail
  • AAA: use #6998e2 as the text (7.19:1)

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

#588cdf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/588cdf-9ca7c4-df624e-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