Color

#232f34

#232f34
hex#232f34
rgbrgb(35, 47, 52)
hslhsl(198, 20%, 17%)
oklchoklch(0.296 0.019 225.3)
Closest name: Nightmare Fuel (#293135)Relative luminance 0.0264

Tints & shades

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

Harmonies

Complementary

Open in tool →

#342823

#233431 · #232634

#34232f · #2f3423

Split-complementary

Open in tool →

#342326 · #343123

#312334 · #342823 · #263423

Contrast

#232f34 as textRatioAAAA largeAAAFix
Aaon white
13.75:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #5a7987 as the text (4.52:1)
  • AAA: use #7b9aa7 as the text (7.02:1)
  • AA: or shift the background to #949494 (4.53:1)
  • AAA: or shift the background to #bababa (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #232f34 as the background.

Brands using this color

Fonts for this mood

#232f34 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #232f34
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 #232f34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/232f34-9cb3c4-df4e69-1f232d-e9f1f0?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