Color

#01055f

#01055f
hex#01055f
rgbrgb(1, 5, 95)
hslhsl(237, 98%, 19%)
oklchoklch(0.227 0.147 264.7)
Closest name: Alone in the Dark (#000066)Relative luminance 0.0094

Colors that go with #01055f

Charcoal, Steel Blue and Cobalt 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.

Real palettes that use #01055f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#605b01

#013560 · #2c0160

#600106 · #066001

Split-complementary

Open in tool →

#602c01 · #356001

#600135 · #605b01 · #01602c

Contrast

#01055f as textRatioAAAA largeAAAFix
Aaon white
17.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #5861fd as the text (4.54:1)
  • AAA: use #868cfe as the text (7.2:1)
  • AA: or shift the background to #828282 (4.6:1)
  • AAA: or shift the background to #a3a3a3 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01055f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#01055f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01055f
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 #01055f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01055f-9f9cc4-df924e-251f2d-e9edf1?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