Color

#517a8a

#517a8a
hex#517a8a
rgbrgb(81, 122, 138)
hslhsl(197, 26%, 43%)
oklchoklch(0.555 0.052 224.5)
Closest name: Beach View (#4f7694)Relative luminance 0.175

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a6151

#518a7e · #515d8a

#8a517a · #7a8a51

Split-complementary

Open in tool →

#8a515d · #8a7e51

#7e518a · #8a6151 · #5d8a51

Contrast

#517a8a as textRatioAAAA largeAAAFix
Aaon white
4.67:1passpassfail
  • AAA: use #3c5b67 as the text (7.28:1)
Aaon black
4.5:1passpassfail
  • AAA: use #759eae as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #517a8a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #517a8a
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 #517a8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/517a8a-9cb4c4-df4e6b-1f232d-e9f1ef?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