Color

#01185a

#01185a
hex#01185a
rgbrgb(1, 24, 90)
hslhsl(224, 98%, 18%)
oklchoklch(0.249 0.121 263.1)
Closest name: Interstellar Blue (#001155)Relative luminance 0.014

Colors that go with #01185a

Charcoal, Crimson and Steel Blue 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 →

#5b4301

#01465b · #16015b

#5b0119 · #195b01

Split-complementary

Open in tool →

#5b1601 · #465b01

#5b0146 · #5b4301 · #015b16

Contrast

#01185a as textRatioAAAA largeAAAFix
Aaon white
16.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #356afd as the text (4.63:1)
  • AAA: use #6d93fe as the text (7.25:1)
  • AA: or shift the background to #878787 (4.57:1)
  • AAA: or shift the background to #ababab (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 #01185a as the background.

Brands using this color

Fonts for this mood

#01185a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01185a
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 #01185a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01185a-9ca2c4-df724e-221f2d-e9eff1?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