Color

#588ffd

#588ffd
hex#588ffd
rgbrgb(88, 143, 253)
hslhsl(220, 98%, 67%)
oklchoklch(0.666 0.173 262.6)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2881

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdc658

#58e2fd · #7458fd

#fd588f · #8ffd58

Split-complementary

Open in tool →

#fd7458 · #e2fd58

#fd58e2 · #fdc658 · #58fd74

Contrast

#588ffd as textRatioAAAA largeAAAFix
Aaon white
3.11:1failpassfail
  • AA: use #216afd as the text (4.62:1)
  • AAA: use #024ad9 as the text (7.04:1)
  • AA: or shift the background to #2b2b2b (4.56:1)
Aaon black
6.76:1passpassfail
  • AAA: use #5d93fd as the text (7.06:1)

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

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

mcpConnect your agent — build around #588ffd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #588ffd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/588ffd-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