Color

#623f64

#623f64
hex#623f64
rgbrgb(98, 63, 100)
hslhsl(297, 23%, 32%)
oklchoklch(0.422 0.074 324.9)
Closest name: Grape Fizz (#64435f)Relative luminance 0.0707

Colors that go with #623f64

Powder Blue, Royal Blue and Sage Green 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 #623f64

Tints & shades

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

Harmonies

Complementary

Open in tool →

#41643f

#503f64 · #643f53

#64623f · #3f6462

Split-complementary

Open in tool →

#53643f · #3f6450

#64503f · #41643f · #3f5364

Contrast

#623f64 as textRatioAAAA largeAAAFix
Aaon white
8.7:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #9a629d as the text (4.61:1)
  • AAA: use #b288b4 as the text (7.07:1)
  • AA: or shift the background to #bdbdbd (4.63:1)
  • AAA: or shift the background to #e8e8e8 (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 #623f64 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 #623f64
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 #623f64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/623f64-c19fbe-9acb62-2d1f28-ede9f1?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