Color

#281f2e

#281f2e
hex#281f2e
rgbrgb(40, 31, 46)
hslhsl(276, 19%, 15%)
oklchoklch(0.257 0.03 311.5)
Closest name: Black Velvet (#222233)Relative luminance 0.0163

Tints & shades

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

Harmonies

Complementary

Open in tool →

#252e1f

#201f2e · #2e1f2c

#2e281f · #1f2e28

Split-complementary

Open in tool →

#2c2e1f · #1f2e20

#2e201f · #252e1f · #1f2c2e

Contrast

#281f2e as textRatioAAAA largeAAAFix
Aaon white
15.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #876a9a as the text (4.56:1)
  • AAA: use #a48fb3 as the text (7.16:1)
  • AA: or shift the background to #8a8a8a (4.59:1)
  • AAA: or shift the background to #adadad (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281f2e 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

#281f2e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281f2e
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 #281f2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281f2e-b99cc4-bfcb62-2d1f2d-eae9f1?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