Color

#01303d

#01303d
hex#01303d
rgbrgb(1, 48, 61)
hslhsl(193, 97%, 12%)
oklchoklch(0.287 0.052 222)
Closest name: Nordic Noir (#003344)Relative luminance 0.0246

Colors that go with #01303d

Crimson, Denim 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.

Real palettes that use #01303d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3c0e01

#013c2b · #01123c

#3c012f · #2f3c01

Split-complementary

Open in tool →

#3c0112 · #3c2b01

#2b013c · #3c0e01 · #123c01

Contrast

#01303d as textRatioAAAA largeAAAFix
Aaon white
14.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #027ea1 as the text (4.5:1)
  • AAA: use #03a2ce as the text (7.06:1)
  • AA: or shift the background to #949494 (4.64:1)
  • AAA: or shift the background to #b8b8b8 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01303d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#01303d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01303d
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 #01303d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01303d-a2b5be-df4e75-1f242d-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