Color

#282d43

#282d43
hex#282d43
rgbrgb(40, 45, 67)
hslhsl(229, 25%, 21%)
oklchoklch(0.303 0.041 273.9)
Closest name: Haiti (#2c2a35)Relative luminance 0.0273

Tints & shades

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

Harmonies

Complementary

Open in tool →

#433e28

#283a43 · #312843

#43282d · #2d4328

Split-complementary

Open in tool →

#433128 · #3a4328

#43283a · #433e28 · #284331

Contrast

#282d43 as textRatioAAAA largeAAAFix
Aaon white
13.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #6974a5 as the text (4.64:1)
  • AAA: use #8c95ba as the text (7.12:1)
  • AA: or shift the background to #969696 (4.59:1)
  • AAA: or shift the background to #bdbdbd (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282d43 as the background.

Brands using this color

Fonts for this mood

#282d43 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282d43
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #282d43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282d43-9c9fc4-df7e4e-231f2d-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