Color

#33535c

#33535c
hex#33535c
rgbrgb(51, 83, 92)
hslhsl(193, 29%, 28%)
oklchoklch(0.421 0.04 217.5)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0766

Colors that go with #33535c

Steel Blue, Sienna and 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c3c33

#335c50 · #333e5c

#5c3353 · #535c33

Split-complementary

Open in tool →

#5c333e · #5c5033

#50335c · #5c3c33 · #3e5c33

Contrast

#33535c as textRatioAAAA largeAAAFix
Aaon white
8.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.53:1failfailfail
  • AA: use #4c7d8a as the text (4.61:1)
  • AAA: use #689dac as the text (7.01:1)
  • AA: or shift the background to #bfbfbf (4.51:1)
  • AAA: or shift the background to #ededed (7.08:1)

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

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

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

tool url/palettes/new/33535c-a2b5be-df4e75-1f242d-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