Color

#012f4c

#012f4c
hex#012f4c
rgbrgb(1, 47, 76)
hslhsl(203, 97%, 15%)
oklchoklch(0.293 0.07 243.2)
Closest name: Midnight Ocean (#0f2d4d)Relative luminance 0.0256

Colors that go with #012f4c

Royal Blue, Rust and Sienna 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 →

#4b1e01

#014b43 · #010a4b

#4b012f · #2f4b01

Split-complementary

Open in tool →

#4b010a · #4b4301

#43014b · #4b1e01 · #0a4b01

Contrast

#012f4c as textRatioAAAA largeAAAFix
Aaon white
13.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.51:1failfailfail
  • AA: use #037ac4 as the text (4.58:1)
  • AAA: use #049cfb as the text (7.15:1)
  • AA: or shift the background to #949494 (4.58:1)
  • AAA: or shift the background to #b8b8b8 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #012f4c as the background.

Brands using this color

Fonts for this mood

#012f4c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #012f4c
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 #012f4c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/012f4c-9cb0c4-df4e5d-1f222d-e9f1f0?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