Color

#282b4d

#282b4d
hex#282b4d
rgbrgb(40, 43, 77)
hslhsl(235, 32%, 23%)
oklchoklch(0.304 0.061 278.3)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0271

Colors that go with #282b4d

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 →

#4d4a28

#283e4d · #38284d

#4d282b · #2b4d28

Split-complementary

Open in tool →

#4d3828 · #3e4d28

#4d283e · #4d4a28 · #284d38

Contrast

#282b4d as textRatioAAAA largeAAAFix
Aaon white
13.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #6b71b3 as the text (4.64:1)
  • AAA: use #9094c6 as the text (7.24:1)
  • AA: or shift the background to #969696 (4.6:1)
  • AAA: or shift the background to #bababa (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282b4d 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

#282b4d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282b4d
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 #282b4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282b4d-9e9cc4-df8d4e-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