Color

#0b124c

#0b124c
hex#0b124c
rgbrgb(11, 18, 76)
hslhsl(234, 75%, 17%)
oklchoklch(0.226 0.106 269.7)
Closest name: Deadly Depths (#111144)Relative luminance 0.0103

Colors that go with #0b124c

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 →

#4c450b

#0b324c · #250b4c

#4c0b11 · #114c0b

Split-complementary

Open in tool →

#4c250b · #324c0b

#4c0b32 · #4c450b · #0b4c25

Contrast

#0b124c as textRatioAAAA largeAAAFix
Aaon white
17.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #5a68e7 as the text (4.57:1)
  • AAA: use #8791ee as the text (7.31:1)
  • AA: or shift the background to #828282 (4.53:1)
  • AAA: or shift the background to #a6a6a6 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b124c as the background.

Brands using this color

Fonts for this mood

#0b124c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b124c
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 #0b124c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b124c-9d9cc4-df8a4e-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