Color

#576bbc

#576bbc
hex#576bbc
rgbrgb(87, 107, 188)
hslhsl(228, 43%, 54%)
oklchoklch(0.551 0.128 271.2)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1617

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bca857

#579ebc · #7657bc

#bc576b · #6bbc57

Split-complementary

Open in tool →

#bc7657 · #9ebc57

#bc579e · #bca857 · #57bc76

Contrast

#576bbc as textRatioAAAA largeAAAFix
Aaon white
4.96:1passpassfail
  • AAA: use #4053a0 as the text (7.09:1)
Aaon black
4.23:1failpassfail
  • AA: use #5f72bf as the text (4.65:1)
  • AAA: use #8795cf as the text (7.23:1)
  • AA: or shift the background to #f5f5f5 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #576bbc 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

#576bbc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #576bbc
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 #576bbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/576bbc-9c9fc4-df7c4e-231f2d-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