Color

#281b2d

#281b2d
hex#281b2d
rgbrgb(40, 27, 45)
hslhsl(283, 25%, 14%)
oklchoklch(0.247 0.038 316.4)
Closest name: Black Velvet (#222233)Relative luminance 0.0142

Tints & shades

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

Harmonies

Complementary

Open in tool →

#202d1b

#1f1b2d · #2d1b29

#2d281b · #1b2d28

Split-complementary

Open in tool →

#292d1b · #1b2d1f

#2d1f1b · #202d1b · #1b292d

Contrast

#281b2d as textRatioAAAA largeAAAFix
Aaon white
16.34:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #9266a3 as the text (4.65:1)
  • AAA: use #ab89b8 as the text (7:1)
  • AA: or shift the background to #878787 (4.55:1)
  • AAA: or shift the background to #ababab (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281b2d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#281b2d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281b2d
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 #281b2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281b2d-bb9fc1-b2cb62-2d1f2b-ebe9f1?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