Color

#738cb5

#738cb5
hex#738cb5
rgbrgb(115, 140, 181)
hslhsl(217, 31%, 58%)
oklchoklch(0.636 0.068 260.2)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2574

Colors that go with #738cb5

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 →

#b59c73

#73adb5 · #7a73b5

#b5738c · #8cb573

Split-complementary

Open in tool →

#b57a73 · #adb573

#b573ad · #b59c73 · #73b57a

Contrast

#738cb5 as textRatioAAAA largeAAAFix
Aaon white
3.42:1failpassfail
  • AA: use #5876a7 as the text (4.6:1)
  • AAA: use #41587c as the text (7.21:1)
  • AA: or shift the background to #242424 (4.54:1)
Aaon black
6.15:1passpassfail
  • AAA: use #8097bc as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #738cb5 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 #738cb5
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 #738cb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/738cb5-9ca7c4-df624e-201f2d-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