Color

#243949

#243949
hex#243949
rgbrgb(36, 57, 73)
hslhsl(206, 34%, 21%)
oklchoklch(0.334 0.039 242.2)
Closest name: Astral Nomad (#203943)Relative luminance 0.0378

Colors that go with #243949

Dark Olive Green, Sienna and Teal 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 →

#483323

#234845 · #232648

#482338 · #384823

Split-complementary

Open in tool →

#482326 · #484523

#452348 · #483323 · #264823

Contrast

#243949 as textRatioAAAA largeAAAFix
Aaon white
11.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #4d7b9d as the text (4.64:1)
  • AAA: use #739bba as the text (7.13:1)
  • AA: or shift the background to #a1a1a1 (4.63:1)
  • AAA: or shift the background to #c7c7c7 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #243949 as the background.

Brands using this color

Fonts for this mood

#243949 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #243949
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 #243949 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/243949-9caec4-df4e56-1f212d-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