Color

#180c32

#180c32
hex#180c32
rgbrgb(24, 12, 50)
hslhsl(259, 61%, 12%)
oklchoklch(0.198 0.071 293.3)
Closest name: Midnight Monarch (#1c0f33)Relative luminance 0.0069

Colors that go with #180c32

Charcoal, Royal Blue and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#25310c

#0c1331 · #2a0c31

#31180c · #0c3118

Split-complementary

Open in tool →

#312a0c · #13310c

#310c13 · #25310c · #0c312a

Contrast

#180c32 as textRatioAAAA largeAAAFix
Aaon white
18.46:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #855fd8 as the text (4.63:1)
  • AAA: use #a588e2 as the text (7.22:1)
  • AA: or shift the background to #808080 (4.67:1)
  • AAA: or shift the background to #a1a1a1 (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 #180c32 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#180c32 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #180c32
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #180c32 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/180c32-ad9cc4-dfc74e-2a1f2d-e9ebf1?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