Color

#1f2228

#1f2228
hex#1f2228
rgbrgb(31, 34, 40)
hslhsl(220, 13%, 14%)
oklchoklch(0.251 0.012 264.3)
Closest name: Black Pearl (#1e272c)Relative luminance 0.0159

Tints & shades

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

Harmonies

Complementary

Open in tool →

#28251f

#1f2728 · #211f28

#281f22 · #22281f

Split-complementary

Open in tool →

#28211f · #27281f

#281f27 · #28251f · #1f2821

Contrast

#1f2228 as textRatioAAAA largeAAAFix
Aaon white
15.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #6a758a as the text (4.52:1)
  • AAA: use #8f97a8 as the text (7.16:1)
  • AA: or shift the background to #8a8a8a (4.62:1)
  • AAA: or shift the background to #adadad (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f2228 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1f2228 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f2228
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 #1f2228 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f2228-9ca5c4-df694e-211f2d-e9f0f1?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