Color

#01128d

#01128d
hex#01128d
rgbrgb(1, 18, 141)
hslhsl(233, 99%, 28%)
oklchoklch(0.306 0.191 264.4)
Closest name: darkblue (#00008b)Relative luminance 0.0236

Colors that go with #01128d

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 →

#8e7e01

#01588e · #37018e

#8e0111 · #118e01

Split-complementary

Open in tool →

#8e3701 · #588e01

#8e0158 · #8e7e01 · #018e37

Contrast

#01128d as textRatioAAAA largeAAAFix
Aaon white
14.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #5266fe as the text (4.69:1)
  • AAA: use #808ffe as the text (7.28:1)
  • AA: or shift the background to #919191 (4.53:1)
  • AAA: or shift the background to #b8b8b8 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01128d as the background.

Brands using this color

Fonts for this mood

#01128d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01128d
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 #01128d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01128d-9c9cc4-df884e-241f2d-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