Color

#646473

#646473
hex#646473
rgbrgb(100, 100, 115)
hslhsl(240, 7%, 42%)
oklchoklch(0.509 0.024 285.5)
Closest name: Alley Cat (#656874)Relative luminance 0.1306

Tints & shades

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

Harmonies

Complementary

Open in tool →

#737364

#646b73 · #6b6473

#736464 · #647364

Split-complementary

Open in tool →

#736b64 · #6b7364

#73646b · #737364 · #64736b

Contrast

#646473 as textRatioAAAA largeAAAFix
Aaon white
5.81:1passpassfail
Aaon black
3.61:1failpassfail
  • AA: use #747486 as the text (4.59:1)
  • AAA: use #9595a3 as the text (7.11:1)
  • AA: or shift the background to #e3e3e3 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #646473 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

#646473 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #646473
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #646473 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/646473-a2beb0-c859d4-1f2d2b-eaf1e9?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