Color

#677e8e

#677e8e
hex#677e8e
rgbrgb(103, 126, 142)
hslhsl(205, 16%, 48%)
oklchoklch(0.581 0.036 238.6)
Closest name: Citadel (#6a7f8b)Relative luminance 0.1976

Colors that go with #677e8e

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.

Real palettes that use #677e8e

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8e7767

#678e8b · #676a8e

#8e677e · #7e8e67

Split-complementary

Open in tool →

#8e676a · #8e8b67

#8b678e · #8e7767 · #6a8e67

Contrast

#677e8e as textRatioAAAA largeAAAFix
Aaon white
4.24:1failpassfail
  • AA: use #637888 as the text (4.59:1)
  • AAA: use #495965 as the text (7.24:1)
  • AA: or shift the background to #0f0f0f (4.52:1)
Aaon black
4.95:1passpassfail
  • AAA: use #8699a7 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #677e8e 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 #677e8e
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 #677e8e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/677e8e-9cafc4-df4e58-1f212d-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