Color

#001f33

#001f33
hex#001f33
rgbrgb(0, 31, 51)
hslhsl(204, 100%, 10%)
oklchoklch(0.229 0.053 241)
Closest name: Midnight Dreams (#002233)Relative luminance 0.0122

Tints & shades

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

Harmonies

Complementary

Open in tool →

#331400

#00332e · #000533

#33001f · #1f3300

Split-complementary

Open in tool →

#330005 · #332e00

#2e0033 · #331400 · #053300

Contrast

#001f33 as textRatioAAAA largeAAAFix
Aaon white
16.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #007acc as the text (4.66:1)
  • AAA: use #0099ff as the text (7:1)
  • AA: or shift the background to #858585 (4.58:1)
  • AAA: or shift the background to #a8a8a8 (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 #001f33 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#001f33 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #001f33
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 #001f33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/001f33-9cafc4-df4e5a-1f222d-e9f1f0?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