Color

#000042

#000042
hex#000042
rgbrgb(0, 0, 66)
hslhsl(240, 100%, 13%)
oklchoklch(0.171 0.119 264.1)
Closest name: Endless Galaxy (#000044)Relative luminance 0.0039

Tints & shades

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

Harmonies

Complementary

Open in tool →

#424200

#002142 · #210042

#420000 · #004200

Split-complementary

Open in tool →

#422100 · #214200

#420021 · #424200 · #004221

Contrast

#000042 as textRatioAAAA largeAAAFix
Aaon white
19.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.08:1failfailfail
  • AA: use #6161ff as the text (4.66:1)
  • AAA: use #8a8aff as the text (7.16:1)
  • AA: or shift the background to #7a7a7a (4.54:1)
  • AAA: or shift the background to #9c9c9c (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #000042 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

#000042 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #000042
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 #000042 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/000042-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