Color

#0d230b

#0d230b
hex#0d230b
rgbrgb(13, 35, 11)
hslhsl(115, 52%, 9%)
oklchoklch(0.231 0.052 142.1)
Closest name: Nightmare (#112211)Relative luminance 0.0131

Tints & shades

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

Harmonies

Complementary

Open in tool →

#210b23

#19230b · #0b2315

#0b0d23 · #230b0d

Split-complementary

Open in tool →

#150b23 · #230b19

#0b1923 · #210b23 · #23150b

Contrast

#0d230b as textRatioAAAA largeAAAFix
Aaon white
16.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #33882b as the text (4.7:1)
  • AAA: use #40ab36 as the text (7.1:1)
  • AA: or shift the background to #858585 (4.51:1)
  • AAA: or shift the background to #ababab (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d230b 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

#0d230b reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d230b
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 #0d230b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d230b-a2bea3-8d4edf-1f2d24-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