Color

#1f230b

#1f230b
hex#1f230b
rgbrgb(31, 35, 11)
hslhsl(70, 52%, 9%)
oklchoklch(0.245 0.041 117.3)
Closest name: Midnight Pines (#17240b)Relative luminance 0.0152

Colors that go with #1f230b

Blue Violet, Charcoal and Royal 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 →

#0f0b23

#231b0b · #13230b

#0b1f23 · #230b1f

Split-complementary

Open in tool →

#0b1323 · #1b0b23

#0b231b · #0f0b23 · #230b13

Contrast

#1f230b as textRatioAAAA largeAAAFix
Aaon white
16.11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #6e7c27 as the text (4.58:1)
  • AAA: use #8d9f32 as the text (7.14:1)
  • AA: or shift the background to #8a8a8a (4.67:1)
  • AAA: or shift the background to #ababab (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f230b 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

#1f230b reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f230b
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 #1f230b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f230b-b6bea2-4e7cdf-252d1f-f1efe9?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