Color

#1f032b

#1f032b
hex#1f032b
rgbrgb(31, 3, 43)
hslhsl(282, 87%, 9%)
oklchoklch(0.185 0.081 313.8)
Closest name: Coal Mine (#220033)Relative luminance 0.0053

Colors that go with #1f032b

Charcoal, Teal and Amber 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 →

#0f2b03

#0b032b · #2b0323

#2b1f03 · #032b1f

Split-complementary

Open in tool →

#232b03 · #032b0b

#2b0b03 · #0f2b03 · #03232b

Contrast

#1f032b as textRatioAAAA largeAAAFix
Aaon white
18.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #b428f0 as the text (4.5:1)
  • AAA: use #cd70f5 as the text (7.23:1)
  • AA: or shift the background to #7d7d7d (4.61:1)
  • AAA: or shift the background to #9e9e9e (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f032b 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

#1f032b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f032b
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 #1f032b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f032b-ba9fc1-b4cb62-2d1f2b-ebe9f1?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