Color

#28151b

#28151b
hex#28151b
rgbrgb(40, 21, 27)
hslhsl(341, 31%, 12%)
oklchoklch(0.224 0.032 359.6)
Closest name: Black Cherry (#2c1620)Relative luminance 0.0107

Tints & shades

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

Harmonies

Complementary

Open in tool →

#152822

#281525 · #281915

#1b2815 · #151b28

Split-complementary

Open in tool →

#152819 · #152528

#252815 · #152822 · #191528

Contrast

#28151b as textRatioAAAA largeAAAFix
Aaon white
17.31:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #ab5f77 as the text (4.63:1)
  • AAA: use #c08799 as the text (7.17:1)
  • AA: or shift the background to #828282 (4.5:1)
  • AAA: or shift the background to #a6a6a6 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28151b 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

#28151b reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28151b
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 #28151b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28151b-c49ca4-62cb77-2d211f-f1e9ef?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