Color

#28151c

#28151c
hex#28151c
rgbrgb(40, 21, 28)
hslhsl(338, 31%, 12%)
oklchoklch(0.225 0.033 356.4)
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 →

#152821

#281526 · #281815

#1c2815 · #151c28

Split-complementary

Open in tool →

#152818 · #152628

#262815 · #152821 · #181528

Contrast

#28151c as textRatioAAAA largeAAAFix
Aaon white
17.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #ab5f7a as the text (4.65:1)
  • AAA: use #c0879c as the text (7.19:1)
  • AA: or shift the background to #828282 (4.5:1)
  • AAA: or shift the background to #a6a6a6 (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 #28151c as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/28151c-c49ca6-62cb72-2d201f-f1e9f0?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