Color

#282f6c

#282f6c
hex#282f6c
rgbrgb(40, 47, 108)
hslhsl(234, 46%, 29%)
oklchoklch(0.336 0.105 274.3)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0357

Colors that go with #282f6c

Steel Blue, Blue and Cadet 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 →

#6c6528

#28516c · #43286c

#6c282f · #2f6c28

Split-complementary

Open in tool →

#6c4328 · #516c28

#6c2851 · #6c6528 · #286c43

Contrast

#282f6c as textRatioAAAA largeAAAFix
Aaon white
12.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.71:1failfailfail
  • AA: use #6670c7 as the text (4.71:1)
  • AAA: use #8c93d4 as the text (7.24:1)
  • AA: or shift the background to #9e9e9e (4.57:1)
  • AAA: or shift the background to #c4c4c4 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282f6c as the background.

Brands using this color

Fonts for this mood

#282f6c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282f6c
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 #282f6c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282f6c-9d9cc4-df8a4e-241f2d-e9eef1?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