Color

#23010d

#23010d
hex#23010d
rgbrgb(35, 1, 13)
hslhsl(339, 94%, 7%)
oklchoklch(0.168 0.064 1.6)
Closest name: Belladonna (#220011)Relative luminance 0.0041

Tints & shades

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

Harmonies

Complementary

Open in tool →

#012317

#23011e · #230601

#0d2301 · #010d23

Split-complementary

Open in tool →

#012306 · #011e23

#1e2301 · #012317 · #060123

Contrast

#23010d as textRatioAAAA largeAAAFix
Aaon white
19.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.08:1failfailfail
  • AA: use #e90756 as the text (4.63:1)
  • AAA: use #fa5c93 as the text (7.02:1)
  • AA: or shift the background to #7a7a7a (4.52:1)
  • AAA: or shift the background to #9c9c9c (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23010d 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

#23010d reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23010d
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 #23010d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23010d-c49ca5-62cb74-2d211f-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