Color

#213533

#213533
hex#213533
rgbrgb(33, 53, 51)
hslhsl(174, 23%, 17%)
oklchoklch(0.311 0.026 188)
Closest name: Aztec (#293432)Relative luminance 0.0311

Colors that go with #213533

Amber, Blue and Blush Pink 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 →

#352123

#213529 · #212d35

#332135 · #353321

Split-complementary

Open in tool →

#35212d · #352921

#292135 · #352123 · #2d3521

Contrast

#213533 as textRatioAAAA largeAAAFix
Aaon white
12.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #4f7d79 as the text (4.54:1)
  • AAA: use #68a19b as the text (7.16:1)
  • AA: or shift the background to #999999 (4.55:1)
  • AAA: or shift the background to #bfbfbf (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #213533 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#213533 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #213533
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 #213533 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/213533-a2bebe-d459a1-1f292d-e9f1ed?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