Color

#230b13

#230b13
hex#230b13
rgbrgb(35, 11, 19)
hslhsl(340, 52%, 9%)
oklchoklch(0.192 0.042 0.9)
Closest name: Italian Roast (#221111)Relative luminance 0.0064

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b231b

#230b1f · #230f0b

#13230b · #0b1323

Split-complementary

Open in tool →

#0b230f · #0b1f23

#1f230b · #0b231b · #0f0b23

Contrast

#230b13 as textRatioAAAA largeAAAFix
Aaon white
18.6:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #c54972 as the text (4.57:1)
  • AAA: use #d57b99 as the text (7.12:1)
  • AA: or shift the background to #7d7d7d (4.52:1)
  • AAA: or shift the background to #a1a1a1 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #230b13 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

#230b13 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #230b13
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 #230b13 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/230b13-c49ca5-62cb75-2d211f-f1e9f0?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