Color

#281a23

#281a23
hex#281a23
rgbrgb(40, 26, 35)
hslhsl(321, 21%, 13%)
oklchoklch(0.239 0.027 340.5)
Closest name: Black Cherry (#2c1620)Relative luminance 0.0131

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1a281f

#261a28 · #281a1c

#23281a · #1a2328

Split-complementary

Open in tool →

#1c281a · #1a2826

#28261a · #1a281f · #1a1c28

Contrast

#281a23 as textRatioAAAA largeAAAFix
Aaon white
16.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #9a6588 as the text (4.59:1)
  • AAA: use #b28aa4 as the text (7.06:1)
  • AA: or shift the background to #858585 (4.51:1)
  • AAA: or shift the background to #ababab (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281a23 as the background.

Brands using this color

Fonts for this mood

#281a23 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281a23
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 #281a23 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281a23-c19fb1-70cb62-2d1f22-f0e9f1?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