Color

#000028

#000028
hex#000028
rgbrgb(0, 0, 40)
hslhsl(240, 100%, 8%)
oklchoklch(0.125 0.087 264.1)
Closest name: Illicit Darkness (#00022e)Relative luminance 0.0015

Tints & shades

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

Harmonies

Complementary

Open in tool →

#292900

#001429 · #140029

#290000 · #002900

Split-complementary

Open in tool →

#291400 · #142900

#290014 · #292900 · #002914

Contrast

#000028 as textRatioAAAA largeAAAFix
Aaon white
20.38:1passpasspassPasses AAA — no fix needed.
Aaon black
1.03:1failfailfail
  • 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 (4.62:1)
  • AAA: or shift the background to #999999 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #000028 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

#000028 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #000028
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 #000028 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/000028-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