Color

#0f230b

#0f230b
hex#0f230b
rgbrgb(15, 35, 11)
hslhsl(110, 52%, 9%)
oklchoklch(0.232 0.051 140.4)
Closest name: Nightmare (#112211)Relative luminance 0.0133

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f0b23

#1b230b · #0b2313

#0b0f23 · #230b0f

Split-complementary

Open in tool →

#130b23 · #230b1b

#0b1b23 · #1f0b23 · #23130b

Contrast

#0f230b as textRatioAAAA largeAAAFix
Aaon white
16.59:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #39842a as the text (4.51:1)
  • AAA: use #49ab36 as the text (7.16:1)
  • AA: or shift the background to #878787 (4.62:1)
  • AAA: or shift the background to #ababab (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f230b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0f230b reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f230b
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 #0f230b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f230b-a3bea2-814edf-1f2d23-eef1e9?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