Color

#1f2320

#1f2320
hex#1f2320
rgbrgb(31, 35, 32)
hslhsl(135, 6%, 13%)
oklchoklch(0.251 0.008 153.3)
Closest name: Underworld (#1e231c)Relative luminance 0.016

Tints & shades

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

Harmonies

Complementary

Open in tool →

#231f22

#20231f · #1f2322

#201f23 · #23201f

Split-complementary

Open in tool →

#221f23 · #231f20

#1f2023 · #231f22 · #23221f

Contrast

#1f2320 as textRatioAAAA largeAAAFix
Aaon white
15.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #6c7a6f as the text (4.65:1)
  • AAA: use #8d9a91 as the text (7.16:1)
  • AA: or shift the background to #8a8a8a (4.61:1)
  • AAA: or shift the background to #adadad (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f2320 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1f2320 reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f2320
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 #1f2320 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f2320-a2beb0-c859d4-1f2d2b-eaf1e9?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