Color

#5597dd

#5597dd
hex#5597dd
rgbrgb(85, 151, 221)
hslhsl(211, 67%, 60%)
oklchoklch(0.663 0.125 251.5)
Closest name: Blue Bay (#619ad6)Relative luminance 0.2928

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dd9b55

#55dbdd · #5755dd

#dd5597 · #97dd55

Split-complementary

Open in tool →

#dd5755 · #dbdd55

#dd55db · #dd9b55 · #55dd57

Contrast

#5597dd as textRatioAAAA largeAAAFix
Aaon white
3.06:1failpassfail
  • AA: use #2878cc as the text (4.52:1)
  • AAA: use #1e5a99 as the text (7.05:1)
  • AA: or shift the background to #2b2b2b (4.62:1)
Aaon black
6.86:1passpassfail
  • AAA: use #5999de as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5597dd 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

#5597dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5597dd
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 #5597dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5597dd-9cabc4-df534e-1f202d-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