Color

#282f39

#282f39
hex#282f39
rgbrgb(40, 47, 57)
hslhsl(215, 18%, 19%)
oklchoklch(0.303 0.021 257.3)
Closest name: Nightmare Fuel (#293135)Relative luminance 0.0278

Colors that go with #282f39

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 →

#393228

#283839 · #292839

#39282f · #2f3928

Split-complementary

Open in tool →

#392928 · #383928

#392838 · #393228 · #283929

Contrast

#282f39 as textRatioAAAA largeAAAFix
Aaon white
13.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #647790 as the text (4.58:1)
  • AAA: use #8a99ad as the text (7.24:1)
  • AA: or shift the background to #969696 (4.56:1)
  • AAA: or shift the background to #bdbdbd (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282f39 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#282f39 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282f39
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 #282f39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282f39-9ca8c4-df5d4e-201f2d-e9f0f1?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