Color

#203121

#203121
hex#203121
rgbrgb(32, 49, 33)
hslhsl(124, 21%, 16%)
oklchoklch(0.293 0.036 146)
Closest name: Marshland (#2b2e26)Relative luminance 0.0261

Colors that go with #203121

Dark Olive Green, Sienna and Slate 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.

Real palettes that use #203121

Tints & shades

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

Harmonies

Complementary

Open in tool →

#312030

#283120 · #20312a

#212031 · #312120

Split-complementary

Open in tool →

#2a2031 · #312028

#202831 · #312030 · #312a20

Contrast

#203121 as textRatioAAAA largeAAAFix
Aaon white
13.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.52:1failfailfail
  • AA: use #537f56 as the text (4.54:1)
  • AAA: use #71a274 as the text (7.12:1)
  • AA: or shift the background to #949494 (4.55:1)
  • AAA: or shift the background to #bababa (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #203121 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

#203121 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #203121
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 #203121 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/203121-a2bea7-a24edf-1f2d26-edf1e9?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