Color

#1f100a

#1f100a
hex#1f100a
rgbrgb(31, 16, 10)
hslhsl(17, 51%, 8%)
oklchoklch(0.192 0.028 42.5)
Closest name: Italian Roast (#221111)Relative luminance 0.0068

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a191f

#1f0a0f · #1f1a0a

#0a1f10 · #100a1f

Split-complementary

Open in tool →

#0a1f1a · #0a0f1f

#0f1f0a · #0a191f · #1a0a1f

Contrast

#1f100a as textRatioAAAA largeAAAFix
Aaon white
18.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #b55d3b as the text (4.59:1)
  • AAA: use #ce8669 as the text (7.24:1)
  • AA: or shift the background to #808080 (4.68:1)
  • AAA: or shift the background to #a1a1a1 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f100a 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

#1f100a reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f100a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1f100a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f100a-c4ac9c-62cbb6-2d291f-f1e9eb?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