Color

#b3b5bd

#b3b5bd
hex#b3b5bd
rgbrgb(179, 181, 189)
hslhsl(228, 7%, 72%)
oklchoklch(0.774 0.012 274.8)
Closest name: Nebulous December (#b3b2bf)Relative luminance 0.4631

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bdbbb3

#b3babd · #b6b3bd

#bdb3b5 · #b5bdb3

Split-complementary

Open in tool →

#bdb6b3 · #babdb3

#bdb3ba · #bdbbb3 · #b3bdb6

Contrast

#b3b5bd as textRatioAAAA largeAAAFix
Aaon white
2.05:1failfailfail
  • AA: use #727583 as the text (4.58:1)
  • AAA: use #555862 as the text (7.1:1)
  • AA: or shift the background to #474747 (4.54:1)
  • AAA: or shift the background to #292929 (7.11:1)
Aaon black
10.26:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b3b5bd as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#b3b5bd reads as neutral, light, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b3b5bd
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 #b3b5bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3b5bd-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