Color

#000033

#000033
hex#000033
rgbrgb(0, 0, 51)
hslhsl(240, 100%, 10%)
oklchoklch(0.145 0.101 264.1)
Closest name: Illicit Darkness (#00022e)Relative luminance 0.0024

Tints & shades

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

Harmonies

Complementary

Open in tool →

#333300

#001a33 · #1a0033

#330000 · #003300

Split-complementary

Open in tool →

#331a00 · #1a3300

#33001a · #333300 · #00331a

Contrast

#000033 as textRatioAAAA largeAAAFix
Aaon white
20.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.05:1failfailfail
  • AA: use #6161ff as the text (4.66:1)
  • AAA: use #8a8aff as the text (7.16:1)
  • AA: or shift the background to #787878 (4.54:1)
  • AAA: or shift the background to #999999 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #000033 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

#000033 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #000033
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 #000033 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/000033-a19cc4-df994e-251f2d-e9edf1?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