Color

#738091

#738091
hex#738091
rgbrgb(115, 128, 145)
hslhsl(214, 12%, 51%)
oklchoklch(0.595 0.03 255.2)
Closest name: Slate Gray (#708090)Relative luminance 0.2113

Colors that go with #738091

Charcoal, Copper and Champagne 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 →

#918473

#738f91 · #757391

#917380 · #809173

Split-complementary

Open in tool →

#917573 · #8f9173

#91738f · #918473 · #739175

Contrast

#738091 as textRatioAAAA largeAAAFix
Aaon white
4.02:1failpassfail
  • AA: use #697686 as the text (4.63:1)
  • AAA: use #4f5864 as the text (7.21:1)
  • AA: or shift the background to #141414 (4.58:1)
Aaon black
5.23:1passpassfail
  • AAA: use #8d97a5 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #738091 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 #738091
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 #738091 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/738091-9ca9c4-df5a4e-1f1f2d-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