Color

#282943

#282943
hex#282943
rgbrgb(40, 41, 67)
hslhsl(238, 25%, 21%)
oklchoklch(0.293 0.047 281.4)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0244

Colors that go with #282943

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 #282943

Tints & shades

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

Harmonies

Complementary

Open in tool →

#434228

#283643 · #352843

#432829 · #294328

Split-complementary

Open in tool →

#433528 · #364328

#432836 · #434228 · #284335

Contrast

#282943 as textRatioAAAA largeAAAFix
Aaon white
14.11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #7071a9 as the text (4.62:1)
  • AAA: use #9394be as the text (7.22:1)
  • AA: or shift the background to #949494 (4.65:1)
  • AAA: or shift the background to #b8b8b8 (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 #282943 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

#282943 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282943
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 #282943 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282943-9f9cc4-df944e-251f2d-e9edf1?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