Color

#281f23

#281f23
hex#281f23
rgbrgb(40, 31, 35)
hslhsl(333, 13%, 14%)
oklchoklch(0.251 0.016 349.7)
Closest name: Dark Orchestra (#251b19)Relative luminance 0.0155

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f2824

#281f28 · #28201f

#23281f · #1f2328

Split-complementary

Open in tool →

#1f2820 · #1f2828

#28281f · #1f2824 · #201f28

Contrast

#281f23 as textRatioAAAA largeAAAFix
Aaon white
16.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #8d6d7b as the text (4.61:1)
  • AAA: use #a88f9a as the text (7.06:1)
  • AA: or shift the background to #8a8a8a (4.64:1)
  • AAA: or shift the background to #adadad (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281f23 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#281f23 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281f23
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 #281f23 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281f23-c49ca9-62cb69-2d1f20-f1e9f0?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