Color

#281e2e

#281e2e
hex#281e2e
rgbrgb(40, 30, 46)
hslhsl(278, 21%, 15%)
oklchoklch(0.254 0.033 312.5)
Closest name: Black Velvet (#222233)Relative luminance 0.0158

Tints & shades

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

Harmonies

Complementary

Open in tool →

#242e1e

#201e2e · #2e1e2c

#2e281e · #1e2e28

Split-complementary

Open in tool →

#2c2e1e · #1e2e20

#2e201e · #242e1e · #1e2c2e

Contrast

#281e2e as textRatioAAAA largeAAAFix
Aaon white
15.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #89689c as the text (4.52:1)
  • AAA: use #a68db4 as the text (7.09:1)
  • AA: or shift the background to #8a8a8a (4.62:1)
  • AAA: or shift the background to #adadad (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 #281e2e 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

#281e2e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281e2e
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 #281e2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281e2e-ba9cc4-bbcb62-2d1f2c-ebe9f1?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