Color

#00042e

#00042e
hex#00042e
rgbrgb(0, 4, 46)
hslhsl(235, 100%, 9%)
oklchoklch(0.149 0.086 264)
Closest name: Illicit Darkness (#00022e)Relative luminance 0.0028

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e2a00

#001b2e · #13002e

#2e0004 · #042e00

Split-complementary

Open in tool →

#2e1300 · #1b2e00

#2e001b · #2e2a00 · #002e13

Contrast

#00042e as textRatioAAAA largeAAAFix
Aaon white
19.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.06:1failfailfail
  • AA: use #5765ff as the text (4.71:1)
  • AAA: use #858fff as the text (7.37:1)
  • AA: or shift the background to #787878 (4.5:1)
  • AAA: or shift the background to #9c9c9c (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00042e 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

#00042e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00042e
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 #00042e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00042e-9e9cc4-df8d4e-241f2d-e9eef1?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