Color

#517c8a

#517c8a
hex#517c8a
rgbrgb(81, 124, 138)
hslhsl(195, 26%, 43%)
oklchoklch(0.56 0.052 220.4)
Closest name: Beach View (#4f7694)Relative luminance 0.18

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a5f51

#518a7c · #515f8a

#8a517c · #7c8a51

Split-complementary

Open in tool →

#8a515f · #8a7c51

#7c518a · #8a5f51 · #5f8a51

Contrast

#517c8a as textRatioAAAA largeAAAFix
Aaon white
4.57:1passpassfail
  • AAA: use #3c5c67 as the text (7.19:1)
Aaon black
4.6:1passpassfail
  • AAA: use #729dac as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #517c8a 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 #517c8a
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 #517c8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/517c8a-9cb5c4-df4e70-1f242d-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