Color

#281a29

#281a29
hex#281a29
rgbrgb(40, 26, 41)
hslhsl(296, 22%, 13%)
oklchoklch(0.242 0.035 324.3)
Closest name: Black Cherry (#2c1620)Relative luminance 0.0135

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b281a

#201a28 · #281a22

#28271a · #1a2827

Split-complementary

Open in tool →

#22281a · #1a2820

#28201a · #1b281a · #1a2228

Contrast

#281a29 as textRatioAAAA largeAAAFix
Aaon white
16.54:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #98639c as the text (4.6:1)
  • AAA: use #b189b3 as the text (7.1:1)
  • AA: or shift the background to #878787 (4.6:1)
  • AAA: or shift the background to #ababab (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281a29 as the background.

Brands using this color

Fonts for this mood

#281a29 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281a29
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 #281a29 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281a29-c19fbf-9ccb62-2d1f28-ede9f1?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