Color

#0d0312

#0d0312
hex#0d0312
rgbrgb(13, 3, 18)
hslhsl(280, 71%, 4%)
oklchoklch(0.13 0.041 315.2)
Closest name: Obsidian Shard (#060313)Relative luminance 0.0019

Tints & shades

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

Harmonies

Complementary

Open in tool →

#081103

#050311 · #11030f

#110d03 · #03110d

Split-complementary

Open in tool →

#0f1103 · #031105

#110503 · #081103 · #030f11

Contrast

#0d0312 as textRatioAAAA largeAAAFix
Aaon white
20.21:1passpasspassPasses AAA — no fix needed.
Aaon black
1.04:1failfailfail
  • AA: use #ab43df as the text (4.6:1)
  • AAA: use #c378e8 as the text (7.17:1)
  • AA: or shift the background to #787878 (4.58:1)
  • AAA: or shift the background to #999999 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d0312 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

#0d0312 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d0312
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 #0d0312 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d0312-b99fc1-b8cb62-2d1f2c-ebe9f1?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