Color

#01033d

#01033d
hex#01033d
rgbrgb(1, 3, 61)
hslhsl(238, 97%, 12%)
oklchoklch(0.171 0.107 265.5)
Closest name: Endless Galaxy (#000044)Relative luminance 0.0041

Colors that go with #01033d

Blue Violet, Charcoal and Crimson 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 →

#3c3a01

#01213c · #1d013c

#3c0103 · #033c01

Split-complementary

Open in tool →

#3c1d01 · #213c01

#3c0121 · #3c3a01 · #013c1d

Contrast

#01033d as textRatioAAAA largeAAAFix
Aaon white
19.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.08:1failfailfail
  • AA: use #5e64fd as the text (4.72:1)
  • AAA: use #868afd as the text (7.07:1)
  • AA: or shift the background to #7a7a7a (4.52:1)
  • AAA: or shift the background to #9c9c9c (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01033d as the background.

Brands using this color

Fonts for this mood

#01033d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01033d
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 #01033d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01033d-9f9cc4-df944e-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