Color

#180029

#180029
hex#180029
rgbrgb(24, 0, 41)
hslhsl(275, 100%, 8%)
oklchoklch(0.164 0.084 307.6)
Closest name: Quiet Abyss (#160435)Relative luminance 0.0035

Tints & shades

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

Harmonies

Complementary

Open in tool →

#112900

#030029 · #290025

#291800 · #002918

Split-complementary

Open in tool →

#252900 · #002903

#290300 · #112900 · #002529

Contrast

#180029 as textRatioAAAA largeAAAFix
Aaon white
19.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.07:1failfailfail
  • AA: use #aa33ff as the text (4.63:1)
  • AAA: use #c370ff as the text (7.08:1)
  • AA: or shift the background to #7a7a7a (4.57:1)
  • AAA: or shift the background to #9c9c9c (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #180029 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

#180029 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #180029
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 #180029 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/180029-b89cc4-c0cb62-2d1f2d-eae9f1?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