Color

#03161c

#03161c
hex#03161c
rgbrgb(3, 22, 28)
hslhsl(194, 81%, 6%)
oklchoklch(0.187 0.029 220.2)
Closest name: Midnight Edition (#0c121b)Relative luminance 0.0068

Colors that go with #03161c

Charcoal, Amber and 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 →

#1c0903

#031c15 · #030a1c

#1c0316 · #161c03

Split-complementary

Open in tool →

#1c030a · #1c1503

#15031c · #1c0903 · #0a1c03

Contrast

#03161c as textRatioAAAA largeAAAFix
Aaon white
18.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #1180a2 as the text (4.63:1)
  • AAA: use #16a4d0 as the text (7.26:1)
  • AA: or shift the background to #808080 (4.68:1)
  • AAA: or shift the background to #a1a1a1 (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 #03161c as the background.

Brands using this color

Fonts for this mood

#03161c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03161c
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 #03161c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03161c-9cb6c4-df4e72-1f242d-e9f1ef?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