Color

#587bc6

#587bc6
hex#587bc6
rgbrgb(88, 123, 198)
hslhsl(221, 49%, 56%)
oklchoklch(0.591 0.122 264.1)
Closest name: Flood (#6677bb)Relative luminance 0.2032

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c6a358

#58b2c6 · #6c58c6

#c6587b · #7bc658

Split-complementary

Open in tool →

#c66c58 · #b2c658

#c658b2 · #c6a358 · #58c66c

Contrast

#587bc6 as textRatioAAAA largeAAAFix
Aaon white
4.15:1failpassfail
  • AA: use #4c72c2 as the text (4.67:1)
  • AAA: use #35569c as the text (7.09:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.06:1passpassfail
  • AAA: use #7a96d1 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #587bc6 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

#587bc6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #587bc6
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 #587bc6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/587bc6-9ca4c4-df6b4e-211f2d-e9eff1?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