Color

#737f87

#737f87
hex#737f87
rgbrgb(115, 127, 135)
hslhsl(204, 8%, 49%)
oklchoklch(0.589 0.019 236.9)
Closest name: Citadel (#6a7f8b)Relative luminance 0.2057

Colors that go with #737f87

Charcoal, Champagne and Copper 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 →

#877b73

#738785 · #737587

#87737f · #7f8773

Split-complementary

Open in tool →

#877375 · #878573

#857387 · #877b73 · #758773

Contrast

#737f87 as textRatioAAAA largeAAAFix
Aaon white
4.11:1failpassfail
  • AA: use #6c777f as the text (4.58:1)
  • AAA: use #50585e as the text (7.24:1)
  • AA: or shift the background to #121212 (4.56:1)
Aaon black
5.11:1passpassfail
  • AAA: use #8e989f as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #737f87 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

#737f87 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #737f87
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 #737f87 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/737f87-9cafc4-df4e5a-1f222d-e9f1f0?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