Color

#28311b

#28311b
hex#28311b
rgbrgb(40, 49, 27)
hslhsl(85, 29%, 15%)
oklchoklch(0.298 0.039 126.8)
Closest name: Darkest Forest (#223311)Relative luminance 0.0273

Tints & shades

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

Harmonies

Complementary

Open in tool →

#241b31

#312f1b · #1d311b

#1b2831 · #311b28

Split-complementary

Open in tool →

#1b1d31 · #2f1b31

#1b312f · #241b31 · #311b1d

Contrast

#28311b as textRatioAAAA largeAAAFix
Aaon white
13.59:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #667d45 as the text (4.58:1)
  • AAA: use #83a159 as the text (7.21:1)
  • AA: or shift the background to #969696 (4.59:1)
  • AAA: or shift the background to #bababa (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28311b 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

#28311b reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28311b
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 #28311b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28311b-afbea2-4e58df-212d1f-f1f0e9?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