Color

#1d016f

#1d016f
hex#1d016f
rgbrgb(29, 1, 111)
hslhsl(255, 98%, 22%)
oklchoklch(0.263 0.16 277.9)
Closest name: Child of the Night (#220077)Relative luminance 0.0143

Colors that go with #1d016f

Charcoal, Steel Blue 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.

Real palettes that use #1d016f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#546f01

#011d6f · #54016f

#6f1d01 · #016f1d

Split-complementary

Open in tool →

#6f5401 · #1d6f01

#6f011d · #546f01 · #016f54

Contrast

#1d016f as textRatioAAAA largeAAAFix
Aaon white
16.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #7e53fd as the text (4.54:1)
  • AAA: use #a081fe as the text (7.07:1)
  • AA: or shift the background to #878787 (4.55:1)
  • AAA: or shift the background to #ababab (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d016f 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

#1d016f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d016f
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 #1d016f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d016f-ab9cc4-dfbd4e-291f2d-e9ebf1?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