Color

#282a4d

#282a4d
hex#282a4d
rgbrgb(40, 42, 77)
hslhsl(237, 32%, 23%)
oklchoklch(0.302 0.063 279.4)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0264

Colors that go with #282a4d

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 →

#4d4c28

#283d4d · #39284d

#4d282a · #2a4d28

Split-complementary

Open in tool →

#4d3928 · #3d4d28

#4d283d · #4d4c28 · #284d39

Contrast

#282a4d as textRatioAAAA largeAAAFix
Aaon white
13.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #6b6eb3 as the text (4.51:1)
  • AAA: use #9093c6 as the text (7.17:1)
  • AA: or shift the background to #949494 (4.53:1)
  • AAA: or shift the background to #bababa (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282a4d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#282a4d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282a4d
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 #282a4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282a4d-9f9cc4-df924e-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