Color

#738cab

#738cab
hex#738cab
rgbrgb(115, 140, 171)
hslhsl(213, 25%, 56%)
oklchoklch(0.632 0.055 254)
Closest name: lightslategray (#778899)Relative luminance 0.2534

Colors that go with #738cab

Charcoal, Copper and Amber 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 →

#ab9273

#73a8ab · #7673ab

#ab738c · #8cab73

Split-complementary

Open in tool →

#ab7673 · #a8ab73

#ab73a8 · #ab9273 · #73ab76

Contrast

#738cab as textRatioAAAA largeAAAFix
Aaon white
3.46:1failpassfail
  • AA: use #5c7799 as the text (4.61:1)
  • AAA: use #455a73 as the text (7.09:1)
  • AA: or shift the background to #212121 (4.65:1)
Aaon black
6.07:1passpassfail
  • AAA: use #8399b4 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #738cab 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 #738cab
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 #738cab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/738cab-9ca9c4-df584e-1f202d-e9f0f1?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