Color

#00281e

#00281e
hex#00281e
rgbrgb(0, 40, 30)
hslhsl(165, 100%, 8%)
oklchoklch(0.247 0.048 171.7)
Closest name: Nightmare (#112211)Relative luminance 0.0161

Colors that go with #00281e

Blue Violet, Charcoal and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#29000a

#00290a · #001f29

#1f0029 · #291f00

Split-complementary

Open in tool →

#29001f · #290a00

#0a0029 · #29000a · #1f2900

Contrast

#00281e as textRatioAAAA largeAAAFix
Aaon white
15.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #008563 as the text (4.54:1)
  • AAA: use #00ad82 as the text (7.3:1)
  • AA: or shift the background to #8a8a8a (4.6:1)
  • AAA: or shift the background to #adadad (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00281e 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

#00281e reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00281e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #00281e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00281e-a2beba-d459b3-1f2b2d-e9f1eb?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