Color

#33535b

#33535b
hex#33535b
rgbrgb(51, 83, 91)
hslhsl(192, 28%, 28%)
oklchoklch(0.421 0.04 215.3)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0765

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b3b33

#335b4f · #333f5b

#5b3353 · #535b33

Split-complementary

Open in tool →

#5b333f · #5b4f33

#4f335b · #5b3b33 · #3f5b33

Contrast

#33535b as textRatioAAAA largeAAAFix
Aaon white
8.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.53:1failfailfail
  • AA: use #4d7d89 as the text (4.61:1)
  • AAA: use #699dab as the text (7.01:1)
  • AA: or shift the background to #bfbfbf (4.52:1)
  • AAA: or shift the background to #ededed (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33535b 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

#33535b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33535b
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 #33535b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33535b-a2b5be-df4e77-1f242d-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