Color

#64797d

#64797d
hex#64797d
rgbrgb(100, 121, 125)
hslhsl(190, 11%, 44%)
oklchoklch(0.561 0.025 210.4)
Closest name: Blue Blood (#6b7f81)Relative luminance 0.1786

Colors that go with #64797d

Charcoal, Champagne and Cobalt Blue 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 #64797d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7d6864

#647d74 · #646c7d

#7d6478 · #787d64

Split-complementary

Open in tool →

#7d646c · #7d7464

#74647d · #7d6864 · #6c7d64

Contrast

#64797d as textRatioAAAA largeAAAFix
Aaon white
4.59:1passpassfail
  • AAA: use #4b5a5d as the text (7.19:1)
Aaon black
4.57:1passpassfail
  • AAA: use #85999d as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #64797d 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 #64797d
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 #64797d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64797d-a2b6be-df4e7c-1f252d-e9f1ef?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