Color

#180e4e

#180e4e
hex#180e4e
rgbrgb(24, 14, 78)
hslhsl(249, 70%, 18%)
oklchoklch(0.231 0.11 280.6)
Closest name: Deadly Depths (#111144)Relative luminance 0.0106

Tints & shades

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

Harmonies

Complementary

Open in tool →

#444e0e

#0e244e · #380e4e

#4e170e · #0e4e17

Split-complementary

Open in tool →

#4e380e · #244e0e

#4e0e24 · #444e0e · #0e4e38

Contrast

#180e4e as textRatioAAAA largeAAAFix
Aaon white
17.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #7663e3 as the text (4.66:1)
  • AAA: use #988aea as the text (7.16:1)
  • AA: or shift the background to #828282 (4.51:1)
  • AAA: or shift the background to #a6a6a6 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #180e4e 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

#180e4e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #180e4e
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 #180e4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/180e4e-a79cc4-dfae4e-271f2d-e9ecf1?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