Color

#1d013d

#1d013d
hex#1d013d
rgbrgb(29, 1, 61)
hslhsl(268, 97%, 12%)
oklchoklch(0.198 0.104 297.5)
Closest name: Your Darkness (#220044)Relative luminance 0.0062

Colors that go with #1d013d

Charcoal, Royal Blue and Teal 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 →

#213c01

#01033c · #3a013c

#3c1d01 · #013c1d

Split-complementary

Open in tool →

#3c3a01 · #033c01

#3c0103 · #213c01 · #013c3a

Contrast

#1d013d as textRatioAAAA largeAAAFix
Aaon white
18.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.12:1failfailfail
  • AA: use #9b45fc as the text (4.65:1)
  • AAA: use #b677fd as the text (7.05:1)
  • AA: or shift the background to #7d7d7d (4.54:1)
  • AAA: or shift the background to #a1a1a1 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d013d 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

#1d013d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d013d
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 #1d013d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d013d-b39cc4-dfdc4e-2c1f2d-e9eaf1?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