Color

#00331b

#00331b
hex#00331b
rgbrgb(0, 51, 27)
hslhsl(152, 100%, 10%)
oklchoklch(0.282 0.068 156.6)
Closest name: Pitch-Black Forests (#003322)Relative luminance 0.0245

Tints & shades

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

Harmonies

Complementary

Open in tool →

#330018

#003302 · #003133

#1b0033 · #331b00

Split-complementary

Open in tool →

#330031 · #330200

#020033 · #330018 · #313300

Contrast

#00331b as textRatioAAAA largeAAAFix
Aaon white
14.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #008a49 as the text (4.73:1)
  • AAA: use #00ad5c as the text (7.13:1)
  • AA: or shift the background to #949494 (4.65:1)
  • AAA: or shift the background to #b8b8b8 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00331b 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

#00331b reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00331b
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 #00331b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00331b-a2beb4-d459ce-1f2d2d-e9f1ea?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