Color

#0c145a

#0c145a
hex#0c145a
rgbrgb(12, 20, 90)
hslhsl(234, 76%, 20%)
oklchoklch(0.247 0.123 268.9)
Closest name: Interstellar Blue (#001155)Relative luminance 0.0132

Colors that go with #0c145a

Charcoal, Sea Green and Steel 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a520c

#0c3b5a · #2b0c5a

#5a0c14 · #145a0c

Split-complementary

Open in tool →

#5a2b0c · #3b5a0c

#5a0c3b · #5a520c · #0c5a2b

Contrast

#0c145a as textRatioAAAA largeAAAFix
Aaon white
16.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #5967e8 as the text (4.53:1)
  • AAA: use #8690ee as the text (7.24:1)
  • AA: or shift the background to #858585 (4.5:1)
  • AAA: or shift the background to #ababab (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c145a 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

#0c145a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c145a
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 #0c145a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c145a-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