Color

#03141b

#03141b
hex#03141b
rgbrgb(3, 20, 27)
hslhsl(197, 80%, 6%)
oklchoklch(0.18 0.028 225.7)
Closest name: Midnight Edition (#0c121b)Relative luminance 0.006

Colors that go with #03141b

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 →

#1c0a03

#031c16 · #03081c

#1c0315 · #151c03

Split-complementary

Open in tool →

#1c0308 · #1c1603

#16031c · #1c0a03 · #081c03

Contrast

#03141b as textRatioAAAA largeAAAFix
Aaon white
18.75:1passpasspassPasses AAA — no fix needed.
Aaon black
1.12:1failfailfail
  • AA: use #137faa as the text (4.64:1)
  • AAA: use #18a1d8 as the text (7.13:1)
  • AA: or shift the background to #7d7d7d (4.56:1)
  • AAA: or shift the background to #a1a1a1 (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03141b as the background.

Brands using this color

Fonts for this mood

#03141b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03141b
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 #03141b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03141b-9cb4c4-df4e6b-1f232d-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