Color

#0b013d

#0b013d
hex#0b013d
rgbrgb(11, 1, 61)
hslhsl(250, 97%, 12%)
oklchoklch(0.176 0.106 276.9)
Closest name: Oblivion (#000435)Relative luminance 0.0043

Colors that go with #0b013d

Blue Violet, Charcoal and Rust 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 →

#323c01

#01153c · #28013c

#3c0b01 · #013c0b

Split-complementary

Open in tool →

#3c2801 · #153c01

#3c0115 · #323c01 · #013c28

Contrast

#0b013d as textRatioAAAA largeAAAFix
Aaon white
19.34:1passpasspassPasses AAA — no fix needed.
Aaon black
1.09:1failfailfail
  • AA: use #7459fc as the text (4.58:1)
  • AAA: use #9a86fd as the text (7.2:1)
  • AA: or shift the background to #7a7a7a (4.51:1)
  • AAA: or shift the background to #9c9c9c (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 #0b013d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0b013d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b013d
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 #0b013d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b013d-a79cc4-dfb14e-281f2d-e9ecf1?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