Color

#282c39

#282c39
hex#282c39
rgbrgb(40, 44, 57)
hslhsl(226, 18%, 19%)
oklchoklch(0.295 0.024 271.5)
Closest name: Haiti (#2c2a35)Relative luminance 0.0255

Tints & shades

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

Harmonies

Complementary

Open in tool →

#393528

#283539 · #2c2839

#39282c · #2c3928

Split-complementary

Open in tool →

#392c28 · #353928

#392835 · #393528 · #28392c

Contrast

#282c39 as textRatioAAAA largeAAAFix
Aaon white
13.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.51:1failfailfail
  • AA: use #6c7699 as the text (4.69:1)
  • AAA: use #8d95b0 as the text (7.06:1)
  • AA: or shift the background to #949494 (4.59:1)
  • AAA: or shift the background to #b8b8b8 (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 #282c39 as the background.

Brands using this color

Fonts for this mood

#282c39 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282c39
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 #282c39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282c39-9ca1c4-df774e-221f2d-e9eff1?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