Color

#587ebb

#587ebb
hex#587ebb
rgbrgb(88, 126, 187)
hslhsl(217, 42%, 54%)
oklchoklch(0.592 0.103 259.5)
Closest name: Flood (#6677bb)Relative luminance 0.2058

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb9558

#58afbb · #6458bb

#bb587e · #7ebb58

Split-complementary

Open in tool →

#bb6458 · #afbb58

#bb58af · #bb9558 · #58bb64

Contrast

#587ebb as textRatioAAAA largeAAAFix
Aaon white
4.1:1failpassfail
  • AA: use #4e76b7 as the text (4.57:1)
  • AAA: use #38578a as the text (7.25:1)
  • AA: or shift the background to #121212 (4.56:1)
Aaon black
5.12:1passpassfail
  • AAA: use #7997c8 as the text (7.07:1)

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

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

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

tool url/palettes/new/587ebb-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