Color

#282b33

#282b33
hex#282b33
rgbrgb(40, 43, 51)
hslhsl(224, 12%, 18%)
oklchoklch(0.289 0.015 269.2)
Closest name: Night Sky (#292b31)Relative luminance 0.0242

Tints & shades

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

Harmonies

Complementary

Open in tool →

#333028

#283133 · #2b2833

#33282b · #2b3328

Split-complementary

Open in tool →

#332b28 · #313328

#332831 · #333028 · #28332b

Contrast

#282b33 as textRatioAAAA largeAAAFix
Aaon white
14.15:1passpasspassPasses AAA — no fix needed.
Aaon black
1.48:1failfailfail
  • AA: use #6e768c as the text (4.63:1)
  • AAA: use #9096a7 as the text (7.11:1)
  • AA: or shift the background to #949494 (4.67:1)
  • AAA: or shift the background to #b8b8b8 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282b33 as the background.

Brands using this color

Fonts for this mood

#282b33 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282b33
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 #282b33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282b33-9ca2c4-df724e-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