Color

#203141

#203141
hex#203141
rgbrgb(32, 49, 65)
hslhsl(209, 34%, 19%)
oklchoklch(0.306 0.037 247.6)
Closest name: Blue Whale (#1e3442)Relative luminance 0.0289

Colors that go with #203141

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#413020

#204140 · #202141

#412031 · #314120

Split-complementary

Open in tool →

#412021 · #414020

#402041 · #413020 · #214120

Contrast

#203141 as textRatioAAAA largeAAAFix
Aaon white
13.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #4f79a1 as the text (4.58:1)
  • AAA: use #769abc as the text (7.12:1)
  • AA: or shift the background to #969696 (4.5:1)
  • AAA: or shift the background to #bdbdbd (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 #203141 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#203141 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #203141
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 #203141 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/203141-9cacc4-df4e4e-1f212d-e9f1f1?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