Color

#588dbb

#588dbb
hex#588dbb
rgbrgb(88, 141, 187)
hslhsl(208, 42%, 54%)
oklchoklch(0.625 0.09 246.1)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2471

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb8658

#58bbb8 · #585cbb

#bb588d · #8dbb58

Split-complementary

Open in tool →

#bb585c · #bbb858

#b858bb · #bb8658 · #5cbb58

Contrast

#588dbb as textRatioAAAA largeAAAFix
Aaon white
3.53:1failpassfail
  • AA: use #4479a7 as the text (4.63:1)
  • AAA: use #345c7f as the text (7.04:1)
  • AA: or shift the background to #212121 (4.56:1)
Aaon black
5.94:1passpassfail
  • AAA: use #6e9cc4 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 #588dbb 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

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

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

tool url/palettes/new/588dbb-9cadc4-df4e51-1f212d-e9f1f1?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