Color

#282a33

#282a33
hex#282a33
rgbrgb(40, 42, 51)
hslhsl(229, 12%, 18%)
oklchoklch(0.287 0.017 275.4)
Closest name: Night Sky (#292b31)Relative luminance 0.0235

Tints & shades

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

Harmonies

Complementary

Open in tool →

#333128

#283033 · #2c2833

#33282a · #2a3328

Split-complementary

Open in tool →

#332c28 · #303328

#332830 · #333128 · #28332c

Contrast

#282a33 as textRatioAAAA largeAAAFix
Aaon white
14.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #70768f as the text (4.68:1)
  • AAA: use #9297aa as the text (7.23:1)
  • AA: or shift the background to #919191 (4.54:1)
  • AAA: or shift the background to #b8b8b8 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282a33 as the background.

Brands using this color

Fonts for this mood

#282a33 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282a33
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 #282a33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282a33-9c9fc4-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