Color

#283331

#283331
hex#283331
rgbrgb(40, 51, 49)
hslhsl(169, 12%, 18%)
oklchoklch(0.31 0.015 183)
Closest name: Aztec (#293432)Relative luminance 0.0304

Tints & shades

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

Harmonies

Complementary

Open in tool →

#33282a

#28332c · #283033

#312833 · #333128

Split-complementary

Open in tool →

#332830 · #332c28

#2c2833 · #33282a · #303328

Contrast

#283331 as textRatioAAAA largeAAAFix
Aaon white
13.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.61:1failfailfail
  • AA: use #607b76 as the text (4.59:1)
  • AAA: use #819c97 as the text (7.14:1)
  • AA: or shift the background to #999999 (4.58:1)
  • AAA: or shift the background to #bfbfbf (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #283331 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#283331 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #283331
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 #283331 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/283331-a2bebc-d459ab-1f2a2d-e9f1ec?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