Color

#011389

#011389
hex#011389
rgbrgb(1, 19, 137)
hslhsl(232, 99%, 27%)
oklchoklch(0.302 0.186 264.4)
Closest name: darkblue (#00008b)Relative luminance 0.0228

Colors that go with #011389

Crimson, Steel Blue and Charcoal 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 →

#897701

#015789 · #330189

#890113 · #138901

Split-complementary

Open in tool →

#893301 · #578901

#890157 · #897701 · #018933

Contrast

#011389 as textRatioAAAA largeAAAFix
Aaon white
14.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #4d65fe as the text (4.61:1)
  • AAA: use #7b8dfe as the text (7.08:1)
  • AA: or shift the background to #919191 (4.58:1)
  • AAA: or shift the background to #b5b5b5 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #011389 as the background.

Brands using this color

Fonts for this mood

#011389 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #011389
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 #011389 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/011389-9c9dc4-df864e-231f2d-e9eef1?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