Color

#588cf3

#588cf3
hex#588cf3
rgbrgb(88, 140, 243)
hslhsl(220, 87%, 65%)
oklchoklch(0.653 0.164 262.6)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.273

Colors that go with #588cf3

Charcoal, Medium Sea Green and Orange Red 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 →

#f3c058

#58daf3 · #7258f3

#f3588c · #8cf358

Split-complementary

Open in tool →

#f37258 · #daf358

#f358da · #f3c058 · #58f372

Contrast

#588cf3 as textRatioAAAA largeAAAFix
Aaon white
3.25:1failpassfail
  • AA: use #2d6ef0 as the text (4.57:1)
  • AAA: use #0e4ecd as the text (7.02:1)
  • AA: or shift the background to #262626 (4.66:1)
Aaon black
6.46:1passpassfail
  • AAA: use #6696f4 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #588cf3 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

#588cf3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #588cf3
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 #588cf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/588cf3-9ca5c4-df694e-211f2d-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