Color

#003301

#003301
hex#003301
rgbrgb(0, 51, 1)
hslhsl(121, 100%, 10%)
oklchoklch(0.278 0.094 142.8)
Closest name: Haunted Hills (#003311)Relative luminance 0.0237

Colors that go with #003301

Charcoal, Crimson and Royal Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#330032

#193300 · #00331a

#010033 · #330100

Split-complementary

Open in tool →

#1a0033 · #330019

#001933 · #330032 · #331a00

Contrast

#003301 as textRatioAAAA largeAAAFix
Aaon white
14.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #008a02 as the text (4.64:1)
  • AAA: use #00b303 as the text (7.45:1)
  • AA: or shift the background to #919191 (4.52:1)
  • AAA: or shift the background to #b8b8b8 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #003301 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

#003301 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003301
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #003301 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003301-a2bea6-9b4edf-1f2d26-edf1e9?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