Color

#180137

#180137
hex#180137
rgbrgb(24, 1, 55)
hslhsl(266, 96%, 11%)
oklchoklch(0.183 0.097 295.5)
Closest name: Quiet Abyss (#160435)Relative luminance 0.0049

Tints & shades

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

Harmonies

Complementary

Open in tool →

#203701

#010537 · #330137

#371801 · #013718

Split-complementary

Open in tool →

#373301 · #053701

#370105 · #203701 · #013733

Contrast

#180137 as textRatioAAAA largeAAAFix
Aaon white
19.12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.1:1failfailfail
  • AA: use #9546fb as the text (4.55:1)
  • AAA: use #b47dfc as the text (7.28:1)
  • AA: or shift the background to #7d7d7d (4.64:1)
  • AAA: or shift the background to #9e9e9e (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 #180137 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

#180137 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #180137
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 #180137 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/180137-b29cc4-dfd74e-2b1f2d-e9eaf1?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