Color

#728ea7

#728ea7
hex#728ea7
rgbrgb(114, 142, 167)
hslhsl(208, 23%, 55%)
oklchoklch(0.634 0.049 245.6)
Closest name: lightslategray (#778899)Relative luminance 0.2571

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a78a72

#72a7a5 · #7274a7

#a7728e · #8ea772

Split-complementary

Open in tool →

#a77274 · #a7a572

#a572a7 · #a78a72 · #74a772

Contrast

#728ea7 as textRatioAAAA largeAAAFix
Aaon white
3.42:1failpassfail
  • AA: use #5c7a93 as the text (4.51:1)
  • AAA: use #455b6e as the text (7.06:1)
  • AA: or shift the background to #242424 (4.54:1)
Aaon black
6.14:1passpassfail
  • AAA: use #829bb0 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 #728ea7 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #728ea7
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 #728ea7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/728ea7-9cadc4-df4e51-1f212d-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