Color

#23222b

#23222b
hex#23222b
rgbrgb(35, 34, 43)
hslhsl(247, 12%, 15%)
oklchoklch(0.257 0.017 290.3)
Closest name: Black Velvet (#222233)Relative luminance 0.0168

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2a2b22

#22252b · #27222b

#2b2322 · #222b23

Split-complementary

Open in tool →

#2b2722 · #252b22

#2b2225 · #2a2b22 · #222b27

Contrast

#23222b as textRatioAAAA largeAAAFix
Aaon white
15.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #777391 as the text (4.65:1)
  • AAA: use #9895ac as the text (7.23:1)
  • AA: or shift the background to #8a8a8a (4.56:1)
  • AAA: or shift the background to #adadad (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23222b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#23222b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23222b
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 #23222b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23222b-a59cc4-dfaa4e-271f2d-e9ecf1?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