Color

#28151f

#28151f
hex#28151f
rgbrgb(40, 21, 31)
hslhsl(328, 31%, 12%)
oklchoklch(0.226 0.035 347.4)
Closest name: Black Cherry (#2c1620)Relative luminance 0.0109

Tints & shades

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

Harmonies

Complementary

Open in tool →

#15281e

#271528 · #281516

#1f2815 · #151f28

Split-complementary

Open in tool →

#162815 · #152827

#282715 · #15281e · #151628

Contrast

#28151f as textRatioAAAA largeAAAFix
Aaon white
17.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #a95b85 as the text (4.52:1)
  • AAA: use #c087a5 as the text (7.25:1)
  • AA: or shift the background to #858585 (4.68:1)
  • AAA: or shift the background to #a6a6a6 (7.09:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/28151f-c19fad-64cb62-2d1f21-f1e9f1?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