Color

#281f01

#281f01
hex#281f01
rgbrgb(40, 31, 1)
hslhsl(46, 95%, 8%)
oklchoklch(0.243 0.048 92.6)
Closest name: Burnt Coffee (#271b10)Relative luminance 0.0143

Tints & shades

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

Harmonies

Complementary

Open in tool →

#010a28

#280b01 · #1d2801

#01281f · #1f0128

Split-complementary

Open in tool →

#011d28 · #0b0128

#01280b · #010a28 · #28011d

Contrast

#281f01 as textRatioAAAA largeAAAFix
Aaon white
16.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #957304 as the text (4.73:1)
  • AAA: use #bd9205 as the text (7.28:1)
  • AA: or shift the background to #878787 (4.54:1)
  • AAA: or shift the background to #ababab (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 #281f01 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

#281f01 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281f01
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 #281f01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281f01-c4bf9c-62adcb-2a2d1f-f1ece9?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