Color

#728ee4

#728ee4
hex#728ee4
rgbrgb(114, 142, 228)
hslhsl(225, 68%, 67%)
oklchoklch(0.663 0.132 269)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2852

Colors that go with #728ee4

Charcoal, Amber and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e4c772

#72c7e4 · #8e72e4

#e4728e · #8ee472

Split-complementary

Open in tool →

#e48e72 · #c7e472

#e472c7 · #e4c772 · #72e48e

Contrast

#728ee4 as textRatioAAAA largeAAAFix
Aaon white
3.13:1failpassfail
  • AA: use #4b6fdd as the text (4.55:1)
  • AAA: use #264dc5 as the text (7.12:1)
  • AA: or shift the background to #2b2b2b (4.52:1)
Aaon black
6.7:1passpassfail
  • AAA: use #7692e5 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #728ee4 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

#728ee4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #728ee4
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #728ee4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/728ee4-9ca1c4-df754e-221f2d-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