Color

#7b818e

#7b818e
hex#7b818e
rgbrgb(123, 129, 142)
hslhsl(221, 8%, 52%)
oklchoklch(0.603 0.021 265.9)
Closest name: Slate Gray (#708090)Relative luminance 0.2186

Colors that go with #7b818e

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 →

#8e887b

#7b8b8e · #7e7b8e

#8e7b81 · #818e7b

Split-complementary

Open in tool →

#8e7e7b · #8b8e7b

#8e7b8b · #8e887b · #7b8e7e

Contrast

#7b818e as textRatioAAAA largeAAAFix
Aaon white
3.91:1failpassfail
  • AA: use #6e7481 as the text (4.69:1)
  • AAA: use #545963 as the text (7.03:1)
  • AA: or shift the background to #171717 (4.59:1)
Aaon black
5.37:1passpassfail
  • AAA: use #9196a1 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #7b818e 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

#7b818e reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #7b818e
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 #7b818e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7b818e-9ca4c4-df6b4e-211f2d-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